diff --git a/elements/10_electric/10_allpole/120_cables&wiring/cable.elmt b/elements/10_electric/10_allpole/120_cables&wiring/cable.elmt
index 28e285fdb..9939d67f6 100644
--- a/elements/10_electric/10_allpole/120_cables&wiring/cable.elmt
+++ b/elements/10_electric/10_allpole/120_cables&wiring/cable.elmt
@@ -4,6 +4,7 @@
         <name lang="it">Cavo 2 fasi + terra</name>
         <name lang="fr">Cable 2 phases+terre</name>
         <name lang="pl">Oznaczenie przewodu czterożyłowego</name>
+        <name lang="cs">Označení drátového propojení - 2 fáze + země</name>
     </names>
     <informations>Author: The QElectroTech team&#xd;
 License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
diff --git a/elements/10_electric/10_allpole/120_cables&wiring/cable1.elmt b/elements/10_electric/10_allpole/120_cables&wiring/cable1.elmt
index 40524590a..cdc7f5718 100644
--- a/elements/10_electric/10_allpole/120_cables&wiring/cable1.elmt
+++ b/elements/10_electric/10_allpole/120_cables&wiring/cable1.elmt
@@ -4,6 +4,7 @@
         <name lang="it">Cavo 3 fasi + terra</name>
         <name lang="fr">Cable 3 phases+terre</name>
         <name lang="pl">Oznaczenie przewodu czterożyłowego</name>
+        <name lang="cs">Označení drátového propojení - 3 fáze + země</name>
     </names>
     <informations>Author: The QElectroTech team&#xd;
 License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
diff --git a/elements/10_electric/10_allpole/120_cables&wiring/cable2.elmt b/elements/10_electric/10_allpole/120_cables&wiring/cable2.elmt
index 22e765973..3b9aef07b 100644
--- a/elements/10_electric/10_allpole/120_cables&wiring/cable2.elmt
+++ b/elements/10_electric/10_allpole/120_cables&wiring/cable2.elmt
@@ -4,6 +4,7 @@
         <name lang="it">Cavo 2 fasi + terra</name>
         <name lang="fr">Cable 2 phases+terre</name>
         <name lang="pl">Oznaczenie przewodu czterożyłowego</name>
+        <name lang="cs">Označení drátového propojení - 2 fáze + země</name>
     </names>
     <informations>Author: The QElectroTech team&#xd;
 License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
diff --git a/elements/10_electric/10_allpole/120_cables&wiring/cable_3wires.elmt b/elements/10_electric/10_allpole/120_cables&wiring/cable_3wires.elmt
index 58b574599..5862bdf88 100644
--- a/elements/10_electric/10_allpole/120_cables&wiring/cable_3wires.elmt
+++ b/elements/10_electric/10_allpole/120_cables&wiring/cable_3wires.elmt
@@ -5,6 +5,7 @@
         <name lang="fr">Cable 3 brins</name>
         <name lang="it">Cavo a 3 conduttori</name>
         <name lang="pl">Oznaczenie przewodu trójżyłowego</name>
+        <name lang="cs">Označení drátového propojení 3 vodiče</name>
     </names>
     <informations></informations>
     <description>
diff --git a/elements/10_electric/10_allpole/120_cables&wiring/ecran_3p.elmt b/elements/10_electric/10_allpole/120_cables&wiring/ecran_3p.elmt
index b0bbb6542..689e85166 100644
--- a/elements/10_electric/10_allpole/120_cables&wiring/ecran_3p.elmt
+++ b/elements/10_electric/10_allpole/120_cables&wiring/ecran_3p.elmt
@@ -6,7 +6,7 @@
         <name lang="it">Schermo</name>
         <name lang="fr">Ecran</name>
         <name lang="pl">Ekran 3</name>
-        <name lang="cs">Ochranné uzemnění</name>
+        <name lang="cs">Obrazovka</name>
         <name lang="nl">Scherm</name>
         <name lang="el">Πλέγμα</name>
     </names>
diff --git a/elements/10_electric/10_allpole/120_cables&wiring/fil_de_cable.elmt b/elements/10_electric/10_allpole/120_cables&wiring/fil_de_cable.elmt
index 6b21bb4a2..e047888c4 100644
--- a/elements/10_electric/10_allpole/120_cables&wiring/fil_de_cable.elmt
+++ b/elements/10_electric/10_allpole/120_cables&wiring/fil_de_cable.elmt
@@ -5,6 +5,7 @@
         <name lang="fr">Fil de cable</name>
         <name lang="it">Conduttore di un cavo</name>
         <name lang="pl">Połączenie przewodu</name>
+        <name lang="cs">Vedení kabelu</name>
     </names>
     <informations></informations>
     <description>
diff --git a/elements/10_electric/10_allpole/120_cables&wiring/filerie.elmt b/elements/10_electric/10_allpole/120_cables&wiring/filerie.elmt
index 649207d16..614a6396a 100644
--- a/elements/10_electric/10_allpole/120_cables&wiring/filerie.elmt
+++ b/elements/10_electric/10_allpole/120_cables&wiring/filerie.elmt
@@ -5,6 +5,7 @@
         <name lang="it">Conduttura</name>
         <name lang="fr">Filerie</name>
         <name lang="pl">Oznaczenie przewodu</name>
+        <name lang="cs">Drátové propojení</name>
     </names>
     <informations></informations>
     <description>
diff --git a/elements/10_electric/10_allpole/120_cables&wiring/nomenclature_section.elmt b/elements/10_electric/10_allpole/120_cables&wiring/nomenclature_section.elmt
index a1421ae92..a0017e524 100644
--- a/elements/10_electric/10_allpole/120_cables&wiring/nomenclature_section.elmt
+++ b/elements/10_electric/10_allpole/120_cables&wiring/nomenclature_section.elmt
@@ -9,7 +9,7 @@
         <name lang="pl">Pole przekróju przewodu</name>
         <name lang="es">Clasificación de sección</name>
         <name lang="nl">Doorsnede</name>
-        <name lang="cs">Část členění</name>
+        <name lang="cs">Průřez drátovým propojením</name>
     </names>
     <informations>Author: The QElectroTech team
 License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
diff --git a/elements/10_electric/10_allpole/120_cables&wiring/qet_directory b/elements/10_electric/10_allpole/120_cables&wiring/qet_directory
index 4dba3c77f..b544ca2ed 100644
--- a/elements/10_electric/10_allpole/120_cables&wiring/qet_directory
+++ b/elements/10_electric/10_allpole/120_cables&wiring/qet_directory
@@ -7,5 +7,6 @@
         <name lang="de">Kabel und Verdrahtung</name>
         <name lang="el">Καλώδια και καλωδίωση</name>
         <name lang="nl">Kabels en draden</name>
+        <name lang="cs">Kabely a drátové propojení</name>
     </names>
 </qet-directory>
diff --git a/elements/10_electric/10_allpole/120_cables&wiring/section1conducteur.elmt b/elements/10_electric/10_allpole/120_cables&wiring/section1conducteur.elmt
index a54f37fad..a511b563f 100644
--- a/elements/10_electric/10_allpole/120_cables&wiring/section1conducteur.elmt
+++ b/elements/10_electric/10_allpole/120_cables&wiring/section1conducteur.elmt
@@ -4,6 +4,7 @@
         <name lang="it">Sezione 1 conduttore</name>
         <name lang="fr">Section 1 conducteur</name>
         <name lang="pl">Oznaczenie pola przekroju przewodu jednożyłowego</name>
+        <name lang="cs">Označení drátového propojení 1 vodič</name>
     </names>
     <informations>Author: The QElectroTech team&#xd;
 License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
diff --git a/elements/10_electric/10_allpole/120_cables&wiring/section2-1conducteurs.elmt b/elements/10_electric/10_allpole/120_cables&wiring/section2-1conducteurs.elmt
index c936f3ac8..9cabe2fe2 100644
--- a/elements/10_electric/10_allpole/120_cables&wiring/section2-1conducteurs.elmt
+++ b/elements/10_electric/10_allpole/120_cables&wiring/section2-1conducteurs.elmt
@@ -4,6 +4,7 @@
         <name lang="it">Sezione 2 conduttori</name>
         <name lang="fr">Section 2 conducteurs</name>
         <name lang="pl">Oznaczenie pola przekroju przewodu dwużyłowego</name>
+        <name lang="cs">Označení drátového propojení 2 vodiče</name>
     </names>
     <informations>Author: The QElectroTech team&#xd;
 License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
diff --git a/elements/10_electric/10_allpole/120_cables&wiring/section2conducteurs.elmt b/elements/10_electric/10_allpole/120_cables&wiring/section2conducteurs.elmt
index c05e06385..4e3d4b157 100644
--- a/elements/10_electric/10_allpole/120_cables&wiring/section2conducteurs.elmt
+++ b/elements/10_electric/10_allpole/120_cables&wiring/section2conducteurs.elmt
@@ -4,6 +4,7 @@
         <name lang="it">Sezione 2 conduttori</name>
         <name lang="fr">Section 2 conducteurs</name>
         <name lang="pl">Oznaczenie pola przekroju przewodu dwużyłowego</name>
+        <name lang="cs">Označení drátového propojení 2 vodiče</name>
     </names>
     <informations>Author: The QElectroTech team&#xd;
 License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
diff --git a/elements/10_electric/10_allpole/120_cables&wiring/section3.elmt b/elements/10_electric/10_allpole/120_cables&wiring/section3.elmt
index b83dda8c3..09b8d342a 100644
--- a/elements/10_electric/10_allpole/120_cables&wiring/section3.elmt
+++ b/elements/10_electric/10_allpole/120_cables&wiring/section3.elmt
@@ -4,6 +4,7 @@
         <name lang="it">Sezione 3 conduttori</name>
         <name lang="fr">Section 3 conducteurs</name>
         <name lang="pl">Oznaczenie pola przekroju przewodu trójżyłowego</name>
+        <name lang="cs">Označení drátového propojení 3 vodiče</name>
     </names>
     <informations>Author: The QElectroTech team&#xd;
 License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
diff --git a/elements/10_electric/10_allpole/200_fuses&protective_gears/qet_directory b/elements/10_electric/10_allpole/200_fuses&protective_gears/qet_directory
index 915bc51f3..debf3fbc6 100644
--- a/elements/10_electric/10_allpole/200_fuses&protective_gears/qet_directory
+++ b/elements/10_electric/10_allpole/200_fuses&protective_gears/qet_directory
@@ -7,5 +7,6 @@
         <name lang="de">Sicherungen und Schutzeinrichtungen</name>
         <name lang="el">Ασφάλειες και εξαρτήματα προστασίας</name>
         <name lang="nl">Zekeringen en beveiligingen</name>
+        <name lang="cs">Tavné pojistky a ochrany</name>
     </names>
 </qet-directory>
diff --git a/elements/10_electric/10_allpole/310_relays_contactors&contacts/02_contacts_cross_referencing/15_protection_contacts/contact_fusile_nc_esclave.elmt b/elements/10_electric/10_allpole/310_relays_contactors&contacts/02_contacts_cross_referencing/15_protection_contacts/contact_fusile_nc_esclave.elmt
index e80dceebc..2e728623d 100644
--- a/elements/10_electric/10_allpole/310_relays_contactors&contacts/02_contacts_cross_referencing/15_protection_contacts/contact_fusile_nc_esclave.elmt
+++ b/elements/10_electric/10_allpole/310_relays_contactors&contacts/02_contacts_cross_referencing/15_protection_contacts/contact_fusile_nc_esclave.elmt
@@ -5,6 +5,7 @@
         <name lang="fr">Actionné par un fusible NF</name>
         <name lang="pl">Bezpiecznik wybijakowy z odzielnym zestykiem sygnalizacyjnym</name>
         <name lang="it">Azionato da fusibile NC</name>
+        <name lang="cs">Spouštěno tavnou pojistkou NC</name>
     </names>
     <kindInformations>
         <kindInformation name="number" show="1">1</kindInformation>
diff --git a/elements/10_electric/10_allpole/310_relays_contactors&contacts/02_contacts_cross_referencing/qet_directory b/elements/10_electric/10_allpole/310_relays_contactors&contacts/02_contacts_cross_referencing/qet_directory
index 974eb2d5c..3b81db4a9 100644
--- a/elements/10_electric/10_allpole/310_relays_contactors&contacts/02_contacts_cross_referencing/qet_directory
+++ b/elements/10_electric/10_allpole/310_relays_contactors&contacts/02_contacts_cross_referencing/qet_directory
@@ -7,5 +7,6 @@
         <name lang="pl">Zestyki (automatyczne oznaczenia)</name>
         <name lang="el">Επαφές με παραπομπές</name>
         <name lang="nl">Contacten met kruisreferentie</name>
+        <name lang="cs">Kontakty s křížovými odkazy</name>
     </names>
 </qet-directory>
diff --git a/elements/10_electric/10_allpole/310_relays_contactors&contacts/qet_directory b/elements/10_electric/10_allpole/310_relays_contactors&contacts/qet_directory
index 416242718..a0295c144 100644
--- a/elements/10_electric/10_allpole/310_relays_contactors&contacts/qet_directory
+++ b/elements/10_electric/10_allpole/310_relays_contactors&contacts/qet_directory
@@ -7,5 +7,6 @@
         <name lang="de">Relais, Schütze und Kontakte</name>
         <name lang="nl">Relais, contactoren en contacten</name>
         <name lang="el">Ηλεκτρονόμοι και επαφές</name>
+        <name lang="cs">Relé, stykače a kontakty</name>
     </names>
 </qet-directory>
diff --git a/elements/10_electric/10_allpole/330_transformers&power_supplies/30_power_supplies/ac2_dc.elmt b/elements/10_electric/10_allpole/330_transformers&power_supplies/30_power_supplies/ac2_dc.elmt
index 781c6b8c0..4a52c4f99 100644
--- a/elements/10_electric/10_allpole/330_transformers&power_supplies/30_power_supplies/ac2_dc.elmt
+++ b/elements/10_electric/10_allpole/330_transformers&power_supplies/30_power_supplies/ac2_dc.elmt
@@ -7,7 +7,7 @@
         <name lang="fr">Alternatif monophasé &gt; Continu</name>
         <name lang="pl">Zasilacz jednofazowy</name>
         <name lang="es">Alterna monofásica &gt; Continua</name>
-        <name lang="cs">Usměrňovač - jednofázový střídavý proud &gt; stejnosměrný proud</name>
+        <name lang="cs">Proudový zdroj - jednofázový střídavý proud &gt; stejnosměrný proud</name>
         <name lang="it">AC monofase &gt; DC</name>
         <name lang="nl">Wisselspanning eenfase > gelijkspanning  AC1 > DC </name>
         <name lang="be">Wisselspanning een fase > gelijkspanning  AC1 > DC </name>
diff --git a/elements/10_electric/10_allpole/330_transformers&power_supplies/30_power_supplies/alim.elmt b/elements/10_electric/10_allpole/330_transformers&power_supplies/30_power_supplies/alim.elmt
index d1bcd2ac3..90c162417 100644
--- a/elements/10_electric/10_allpole/330_transformers&power_supplies/30_power_supplies/alim.elmt
+++ b/elements/10_electric/10_allpole/330_transformers&power_supplies/30_power_supplies/alim.elmt
@@ -9,7 +9,7 @@
         <name lang="fr">Redresseur</name>
         <name lang="pl">Zasilacz</name>
         <name lang="nl">Gelijkrichter AC1/DC</name>
-        <name lang="cs">Usměrňovač proudu</name>
+        <name lang="cs">Proudový zdroj</name>
     </names>
     <informations>EN 60617: 06-14-03</informations>
     <description>
diff --git a/elements/10_electric/10_allpole/330_transformers&power_supplies/30_power_supplies/qet_directory b/elements/10_electric/10_allpole/330_transformers&power_supplies/30_power_supplies/qet_directory
index 221c217bf..1cddd9aec 100644
--- a/elements/10_electric/10_allpole/330_transformers&power_supplies/30_power_supplies/qet_directory
+++ b/elements/10_electric/10_allpole/330_transformers&power_supplies/30_power_supplies/qet_directory
@@ -7,5 +7,6 @@
         <name lang="it">Alimentatori</name>
         <name lang="nl">Voedingen</name>
         <name lang="el">Παροχές ισχύος</name>
+        <name lang="cs">Proudové zdroje</name>
     </names>
 </qet-directory>
diff --git a/elements/10_electric/10_allpole/330_transformers&power_supplies/40_uninterruptible_power_supply/qet_directory b/elements/10_electric/10_allpole/330_transformers&power_supplies/40_uninterruptible_power_supply/qet_directory
index a41ee4841..1551ed00c 100644
--- a/elements/10_electric/10_allpole/330_transformers&power_supplies/40_uninterruptible_power_supply/qet_directory
+++ b/elements/10_electric/10_allpole/330_transformers&power_supplies/40_uninterruptible_power_supply/qet_directory
@@ -7,5 +7,6 @@
         <name lang="de">Unterbrechungsfreie Stromversorgungen</name>
         <name lang="nl">Voeding niet onderbreekbaar</name>
         <name lang="el">Αδιάλειπτες παροχές ισχύος</name>
+        <name lang="cs">Záložní napájecí zdroje</name>
     </names>
 </qet-directory>
diff --git a/elements/10_electric/10_allpole/330_transformers&power_supplies/40_uninterruptible_power_supply/ups.elmt b/elements/10_electric/10_allpole/330_transformers&power_supplies/40_uninterruptible_power_supply/ups.elmt
index 3ca15c2ee..be4115278 100644
--- a/elements/10_electric/10_allpole/330_transformers&power_supplies/40_uninterruptible_power_supply/ups.elmt
+++ b/elements/10_electric/10_allpole/330_transformers&power_supplies/40_uninterruptible_power_supply/ups.elmt
@@ -7,6 +7,7 @@
         <name lang="fr">UPS</name>
         <name lang="pl">UPS</name>
         <name lang="it">UPS</name>
+        <name lang="cs">UPS</name>
     </names>
     <informations>
 		Author: RDS for QelectroTech
diff --git a/elements/10_electric/10_allpole/340_converters&inverters/15_measuring_transducers/convertisseur_mesure_temperature.elmt b/elements/10_electric/10_allpole/340_converters&inverters/15_measuring_transducers/convertisseur_mesure_temperature.elmt
index 385a61356..0673641ca 100644
--- a/elements/10_electric/10_allpole/340_converters&inverters/15_measuring_transducers/convertisseur_mesure_temperature.elmt
+++ b/elements/10_electric/10_allpole/340_converters&inverters/15_measuring_transducers/convertisseur_mesure_temperature.elmt
@@ -9,7 +9,7 @@
         <name lang="fr">Convertisseur de mesure Pt100/TC</name>
         <name lang="pl">Przetwornik temperatury</name>
         <name lang="es">Convertidor de temperatura</name>
-        <name lang="cs">Převodník měření</name>
+        <name lang="cs">Převodník teploty Pt100/TC</name>
         <name lang="nl">Converter temperatuur Pt100/TC</name>
     </names>
     <informations>Author: The QElectroTech team
diff --git a/elements/10_electric/10_allpole/340_converters&inverters/15_measuring_transducers/qet_directory b/elements/10_electric/10_allpole/340_converters&inverters/15_measuring_transducers/qet_directory
index f70fe5f5d..094092f97 100644
--- a/elements/10_electric/10_allpole/340_converters&inverters/15_measuring_transducers/qet_directory
+++ b/elements/10_electric/10_allpole/340_converters&inverters/15_measuring_transducers/qet_directory
@@ -7,5 +7,6 @@
         <name lang="pl">Przetworniki pomiarowe</name>
         <name lang="el">Μετασχηματιστές μέτρησης</name>
         <name lang="nl">Omvormer Meet</name>
+        <name lang="cs">Převodníky</name>
     </names>
 </qet-directory>
diff --git a/elements/10_electric/10_allpole/340_converters&inverters/90_filters/qet_directory b/elements/10_electric/10_allpole/340_converters&inverters/90_filters/qet_directory
index 8e0bd5edd..021e5f7b4 100644
--- a/elements/10_electric/10_allpole/340_converters&inverters/90_filters/qet_directory
+++ b/elements/10_electric/10_allpole/340_converters&inverters/90_filters/qet_directory
@@ -7,5 +7,6 @@
         <name lang="pl">Filtry</name>
         <name lang="el">Φίλτρα</name>
         <name lang="nl">Filters</name>
+        <name lang="cs">Filtry</name>
     </names>
 </qet-directory>
diff --git a/elements/10_electric/10_allpole/340_converters&inverters/qet_directory b/elements/10_electric/10_allpole/340_converters&inverters/qet_directory
index e4aa9a1b3..55bd122b7 100644
--- a/elements/10_electric/10_allpole/340_converters&inverters/qet_directory
+++ b/elements/10_electric/10_allpole/340_converters&inverters/qet_directory
@@ -7,5 +7,6 @@
         <name lang="de">Umformer und Umrichter</name>
         <name lang="nl">Omzetters en Omkeerders</name>
         <name lang="el">Μετατροπείς και αντιστροφείς</name>
+        <name lang="cs">Měniče a plynulé převaděče</name>
     </names>
 </qet-directory>
diff --git a/elements/10_electric/10_allpole/380_signaling&operating/01_human_machine_interface/qet_directory b/elements/10_electric/10_allpole/380_signaling&operating/01_human_machine_interface/qet_directory
index 6873ed2cb..0c52bf95f 100644
--- a/elements/10_electric/10_allpole/380_signaling&operating/01_human_machine_interface/qet_directory
+++ b/elements/10_electric/10_allpole/380_signaling&operating/01_human_machine_interface/qet_directory
@@ -7,5 +7,6 @@
         <name lang="de">Mensch/Maschine-Schnittstellen</name>
         <name lang="nl">Mens machine interface</name>
         <name lang="el">Διεπαφές ανθρώπου/μηχανής</name>
+        <name lang="cs">Rozhraní člověk/stroj</name>
     </names>
 </qet-directory>
diff --git a/elements/10_electric/10_allpole/380_signaling&operating/11_optical_signaling/qet_directory b/elements/10_electric/10_allpole/380_signaling&operating/11_optical_signaling/qet_directory
index d114d59b1..aa1d5252f 100644
--- a/elements/10_electric/10_allpole/380_signaling&operating/11_optical_signaling/qet_directory
+++ b/elements/10_electric/10_allpole/380_signaling&operating/11_optical_signaling/qet_directory
@@ -6,5 +6,6 @@
         <name lang="fr">Signalements optiques</name>
         <name lang="it">Segnalazione ottica</name>
         <name lang="el">Συσκευές οπτικής σήμανσης</name>
+        <name lang="cs">Světelné značení</name>
     </names>
 </qet-directory>
diff --git a/elements/10_electric/10_allpole/380_signaling&operating/12_acoustic_signaling/qet_directory b/elements/10_electric/10_allpole/380_signaling&operating/12_acoustic_signaling/qet_directory
index 59d3733a2..f0a6a048c 100644
--- a/elements/10_electric/10_allpole/380_signaling&operating/12_acoustic_signaling/qet_directory
+++ b/elements/10_electric/10_allpole/380_signaling&operating/12_acoustic_signaling/qet_directory
@@ -6,5 +6,6 @@
         <name lang="fr">Signalements sonores</name>
         <name lang="it">Segnalazione acustica</name>
         <name lang="el">Συσκευές ηχητικής σήμανσης</name>
+        <name lang="cs">Zvukové značení</name>
     </names>
 </qet-directory>
diff --git a/elements/10_electric/10_allpole/380_signaling&operating/20_push_buttons/au_cable1.elmt b/elements/10_electric/10_allpole/380_signaling&operating/20_push_buttons/au_cable1.elmt
index eb7c96aa0..49823c0db 100644
--- a/elements/10_electric/10_allpole/380_signaling&operating/20_push_buttons/au_cable1.elmt
+++ b/elements/10_electric/10_allpole/380_signaling&operating/20_push_buttons/au_cable1.elmt
@@ -5,6 +5,7 @@
         <name lang="fr">Arret d'urgence cable 2NC</name>
         <name lang="pl">Wyłącznik bezpieczeństwa</name>
         <name lang="it">Arresto d'emergenza a cavo 2NC</name>
+        <name lang="de">Bezpečnostní přepínače 2NC</name>
     </names>
     <informations></informations>
     <description>
diff --git a/elements/10_electric/10_allpole/380_signaling&operating/20_push_buttons/au_cable2.elmt b/elements/10_electric/10_allpole/380_signaling&operating/20_push_buttons/au_cable2.elmt
index ce66b3f28..5646c94a6 100644
--- a/elements/10_electric/10_allpole/380_signaling&operating/20_push_buttons/au_cable2.elmt
+++ b/elements/10_electric/10_allpole/380_signaling&operating/20_push_buttons/au_cable2.elmt
@@ -5,6 +5,7 @@
         <name lang="fr">Arret d'urgence cable NC+NO</name>
         <name lang="pl">Wyłącznik bezpieczeństwa</name>
         <name lang="it">Arresto d'emergenza a cavo NC+NO</name>
+        <name lang="de">Bezpečnostní přepínače NC+NO</name>
     </names>
     <informations></informations>
     <description>
diff --git a/elements/10_electric/10_allpole/380_signaling&operating/21_selector_switches/qet_directory b/elements/10_electric/10_allpole/380_signaling&operating/21_selector_switches/qet_directory
index 8640dc18a..fcd656b2a 100644
--- a/elements/10_electric/10_allpole/380_signaling&operating/21_selector_switches/qet_directory
+++ b/elements/10_electric/10_allpole/380_signaling&operating/21_selector_switches/qet_directory
@@ -7,5 +7,6 @@
         <name lang="de">Wahlschalter</name>
         <name lang="nl">schakelaar keuze</name>
         <name lang="el">Διακόπτες επιλογής</name>
+        <name lang="cs">Přepínače voliče</name>
     </names>
 </qet-directory>
diff --git a/elements/10_electric/10_allpole/380_signaling&operating/25_lever_switches/qet_directory b/elements/10_electric/10_allpole/380_signaling&operating/25_lever_switches/qet_directory
index 4e1037746..590eba5ac 100644
--- a/elements/10_electric/10_allpole/380_signaling&operating/25_lever_switches/qet_directory
+++ b/elements/10_electric/10_allpole/380_signaling&operating/25_lever_switches/qet_directory
@@ -7,5 +7,6 @@
         <name lang="de">Hebelschalter</name>
         <name lang="nl">Schakelaars met hendel</name>
         <name lang="el">Διακόπτες στάθμης</name>
+        <name lang="cs">Páky a páčky</name>
     </names>
 </qet-directory>
diff --git a/elements/10_electric/10_allpole/380_signaling&operating/qet_directory b/elements/10_electric/10_allpole/380_signaling&operating/qet_directory
index 5ac48dcbb..9b4e454bf 100644
--- a/elements/10_electric/10_allpole/380_signaling&operating/qet_directory
+++ b/elements/10_electric/10_allpole/380_signaling&operating/qet_directory
@@ -7,5 +7,6 @@
         <name lang="de">Melde- und Bedieneinrichtungen</name>
         <name lang="nl">Signalering en bediening</name>
         <name lang="el">Σήμανση και χειρισμός</name>
+        <name lang="cs">Značení a příkazy</name>
     </names>
 </qet-directory>
diff --git a/elements/10_electric/10_allpole/390_sensors&instruments/01_sensors_capacitive/qet_directory b/elements/10_electric/10_allpole/390_sensors&instruments/01_sensors_capacitive/qet_directory
index 15673b9c0..bb6fb39aa 100644
--- a/elements/10_electric/10_allpole/390_sensors&instruments/01_sensors_capacitive/qet_directory
+++ b/elements/10_electric/10_allpole/390_sensors&instruments/01_sensors_capacitive/qet_directory
@@ -5,7 +5,7 @@
         <name lang="fr">Capteurs capacitifs</name>
         <name lang="ar">حسّاسات سعوية</name>
         <name lang="pl">Czujniki pojemnościowe</name>
-        <name lang="cs">Kapacitní čidlo</name>
+        <name lang="cs">Kapacitní čidla</name>
         <name lang="es">Sensores capacitivos</name>
         <name lang="it">Sensori capacitivi</name>
         <name lang="el">Χωρητικοί αισθητήρες</name>
diff --git a/elements/10_electric/10_allpole/390_sensors&instruments/03_sensors_magnetic/qet_directory b/elements/10_electric/10_allpole/390_sensors&instruments/03_sensors_magnetic/qet_directory
index 46862cae4..c6e36f055 100644
--- a/elements/10_electric/10_allpole/390_sensors&instruments/03_sensors_magnetic/qet_directory
+++ b/elements/10_electric/10_allpole/390_sensors&instruments/03_sensors_magnetic/qet_directory
@@ -5,7 +5,7 @@
         <name lang="fr">Capteurs magnetiques</name>
         <name lang="pl">Czujniki magnetyczne</name>
         <name lang="ar">حسّاسات مغناطيسية</name>
-        <name lang="cs">Magnetické čidlo</name>
+        <name lang="cs">Magnetická čidla</name>
         <name lang="es">Sensores magneticos</name>
         <name lang="it">Sensori magnetici</name>
         <name lang="el">Μαγνητικοί αισθητήρες</name>
diff --git a/elements/10_electric/10_allpole/390_sensors&instruments/15_sensors_temperature/qet_directory b/elements/10_electric/10_allpole/390_sensors&instruments/15_sensors_temperature/qet_directory
index ee8b84f3c..88a6b5b3a 100644
--- a/elements/10_electric/10_allpole/390_sensors&instruments/15_sensors_temperature/qet_directory
+++ b/elements/10_electric/10_allpole/390_sensors&instruments/15_sensors_temperature/qet_directory
@@ -7,5 +7,6 @@
         <name lang="it">Sensori di temperatura</name>
         <name lang="nl">Sensoren Temperatuur</name>
         <name lang="el">Αισθητήρες θερμοκρασίας</name>
+        <name lang="cs">Teplotní čidla</name>
     </names>
 </qet-directory>
diff --git a/elements/10_electric/10_allpole/390_sensors&instruments/16_sensors_ultrasonic/qet_directory b/elements/10_electric/10_allpole/390_sensors&instruments/16_sensors_ultrasonic/qet_directory
index 3a004f3cd..324b62f38 100644
--- a/elements/10_electric/10_allpole/390_sensors&instruments/16_sensors_ultrasonic/qet_directory
+++ b/elements/10_electric/10_allpole/390_sensors&instruments/16_sensors_ultrasonic/qet_directory
@@ -5,7 +5,7 @@
         <name lang="fr">Capteurs ultrasons</name>
         <name lang="ar">حسّاسات فوق صوتيّة</name>
         <name lang="pl">Czujniki ultradźwiękowe</name>
-        <name lang="cs">Ultrazvukové čidlo</name>
+        <name lang="cs">Ultrazvuková čidla</name>
         <name lang="es">Sensor ultrasónico</name>
         <name lang="it">Sensori ultrasonici</name>
         <name lang="el">Αισθητήρες υπερήχων</name>
diff --git a/elements/10_electric/10_allpole/390_sensors&instruments/41_limit_switches/qet_directory b/elements/10_electric/10_allpole/390_sensors&instruments/41_limit_switches/qet_directory
index 954aaf9bb..c376a5558 100644
--- a/elements/10_electric/10_allpole/390_sensors&instruments/41_limit_switches/qet_directory
+++ b/elements/10_electric/10_allpole/390_sensors&instruments/41_limit_switches/qet_directory
@@ -10,7 +10,7 @@
         <name lang="fr">Fins de course</name>
         <name lang="pl">Łączniki krańcowe</name>
         <name lang="es">Finales de carrera</name>
-        <name lang="cs">Konce vodivých spojení</name>
+        <name lang="cs">Konce kontaktů</name>
         <name lang="nl">mechanische contacten</name>
     </names>
 </qet-directory>
diff --git a/elements/10_electric/10_allpole/390_sensors&instruments/60_timers/qet_directory b/elements/10_electric/10_allpole/390_sensors&instruments/60_timers/qet_directory
index 6a79cafd4..190a6bfd1 100644
--- a/elements/10_electric/10_allpole/390_sensors&instruments/60_timers/qet_directory
+++ b/elements/10_electric/10_allpole/390_sensors&instruments/60_timers/qet_directory
@@ -6,5 +6,6 @@
         <name lang="fr">Minuteries</name>
         <name lang="it">Temporizzatori</name>
         <name lang="el">Χρονοδιακόπτες</name>
+        <name lang="cs">Časové spínače</name>
     </names>
 </qet-directory>
diff --git a/elements/10_electric/10_allpole/391_consumers&actuators/60_lightings/fluo.elmt b/elements/10_electric/10_allpole/391_consumers&actuators/60_lightings/fluo.elmt
index 30f51205f..85f4c162a 100644
--- a/elements/10_electric/10_allpole/391_consumers&actuators/60_lightings/fluo.elmt
+++ b/elements/10_electric/10_allpole/391_consumers&actuators/60_lightings/fluo.elmt
@@ -6,6 +6,7 @@
         <name lang="it">Tubo fluorescente</name>
         <name lang="fr">Tube fluorescent</name>
         <name lang="pl">Świetlówka</name>
+        <name lang="cs">Zářivka</name>
     </names>
     <informations></informations>
     <description>
diff --git a/elements/10_electric/10_allpole/391_consumers&actuators/60_lightings/qet_directory b/elements/10_electric/10_allpole/391_consumers&actuators/60_lightings/qet_directory
index cd9c8ece0..e59652885 100644
--- a/elements/10_electric/10_allpole/391_consumers&actuators/60_lightings/qet_directory
+++ b/elements/10_electric/10_allpole/391_consumers&actuators/60_lightings/qet_directory
@@ -7,5 +7,6 @@
         <name lang="nl">Lampen</name>
         <name lang="de">Beleuchtungen</name>
         <name lang="el">Φωτιστικά</name>
+        <name lang="cs">Osvětlení</name>
     </names>
 </qet-directory>
diff --git a/elements/10_electric/10_allpole/392_generators&sources/10_generators/dynamotachymtrique.elmt b/elements/10_electric/10_allpole/392_generators&sources/10_generators/dynamotachymtrique.elmt
index 076764b9f..d495d39b5 100644
--- a/elements/10_electric/10_allpole/392_generators&sources/10_generators/dynamotachymtrique.elmt
+++ b/elements/10_electric/10_allpole/392_generators&sources/10_generators/dynamotachymtrique.elmt
@@ -5,6 +5,7 @@
         <name lang="fr">Dynamo-tachymétrique</name>
         <name lang="de">Dynamo</name>
         <name lang="pl">Prądnica tachometryczna</name>
+        <name lang="cs">Dynamo</name>
     </names>
     <informations>Author: The QElectroTech team
 License: see http://qelectrotech.org/wiki/doc/elements_license</informations>
diff --git a/elements/10_electric/10_allpole/392_generators&sources/30_batteries/qet_directory b/elements/10_electric/10_allpole/392_generators&sources/30_batteries/qet_directory
index 84e7c3ffb..d06432323 100644
--- a/elements/10_electric/10_allpole/392_generators&sources/30_batteries/qet_directory
+++ b/elements/10_electric/10_allpole/392_generators&sources/30_batteries/qet_directory
@@ -7,5 +7,6 @@
         <name lang="de">Batterien</name>
         <name lang="nl">Batterijen</name>
         <name lang="el">Μπαταρίες</name>
+        <name lang="cs">Baterie</name>
     </names>
 </qet-directory>
diff --git a/elements/10_electric/10_allpole/392_generators&sources/70_voltage_current_sources/qet_directory b/elements/10_electric/10_allpole/392_generators&sources/70_voltage_current_sources/qet_directory
index e463a3c10..243e59df3 100644
--- a/elements/10_electric/10_allpole/392_generators&sources/70_voltage_current_sources/qet_directory
+++ b/elements/10_electric/10_allpole/392_generators&sources/70_voltage_current_sources/qet_directory
@@ -7,5 +7,6 @@
         <name lang="de">Spannungs- und Stromquellen</name>
         <name lang="nl">Spanning en stroombronnen</name>
         <name lang="el">Πηγές τάσης και έντασης</name>
+        <name lang="cs">Zdroje napětí a proudu</name>
     </names>
 </qet-directory>
diff --git a/elements/10_electric/10_allpole/392_generators&sources/qet_directory b/elements/10_electric/10_allpole/392_generators&sources/qet_directory
index 7b94c53f1..c2e47cfc6 100644
--- a/elements/10_electric/10_allpole/392_generators&sources/qet_directory
+++ b/elements/10_electric/10_allpole/392_generators&sources/qet_directory
@@ -7,5 +7,6 @@
         <name lang="de">Generatoren und Quellen</name>
         <name lang="nl">Generatoren en Voedingen</name>
         <name lang="el">Γεννήτριες και πηγές</name>
+        <name lang="cs">Generátory a zdroje</name>
     </names>
 </qet-directory>