diff --git a/elements/10_electric/10_allpole/392_generators&sources/10_generators/qet_directory b/elements/10_electric/10_allpole/392_generators&sources/10_generators/qet_directory
index dae2d7a99..00ee5c087 100644
--- a/elements/10_electric/10_allpole/392_generators&sources/10_generators/qet_directory
+++ b/elements/10_electric/10_allpole/392_generators&sources/10_generators/qet_directory
@@ -5,6 +5,7 @@
         <name lang="it">Generatori</name>
         <name lang="fr">Générateurs</name>
         <name lang="es">Generadores</name>
+        <name lang="pl">Generatory</name>
         <name lang="cs">Generátory</name>
         <name lang="nl">Generators</name>
         <name lang="el">Γενήτριες</name>
diff --git a/elements/10_electric/10_allpole/392_generators&sources/20_power_units/qet_directory b/elements/10_electric/10_allpole/392_generators&sources/20_power_units/qet_directory
index 2d75016c3..eef5005c4 100644
--- a/elements/10_electric/10_allpole/392_generators&sources/20_power_units/qet_directory
+++ b/elements/10_electric/10_allpole/392_generators&sources/20_power_units/qet_directory
@@ -6,6 +6,7 @@
         <name lang="it">Gruppi elettrogeni</name>
         <name lang="el">Ηλεκτροπαραγωγά Ζεύγη</name>
         <name lang="cs">Elektrogenerátorové skupiny</name>
+        <name lang="pl">Rezerwowe źródła zasilania</name>
         <name lang="ru">Генераторы с двигателями</name>
     </names>
 </qet-directory>
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 5fe0d7aed..2554102ac 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
@@ -2,6 +2,7 @@
     <names>
         <name lang="en">Batteries</name>
         <name lang="fr">Piles</name>
+        <name lang="pl">Ogniwa i baterie</name>
         <name lang="de">Batterien</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 d6c0a9ebd..ef04ed880 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
@@ -2,6 +2,7 @@
     <names>
         <name lang="en">Voltage and current sources</name>
         <name lang="fr">Sources de tension et de courant</name>
+        <name lang="pl">Źródła napięcia i prądu</name>
         <name lang="de">Spannungs- und Stromquellen</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 d6a2eb90e..651322e38 100644
--- a/elements/10_electric/10_allpole/392_generators&sources/qet_directory
+++ b/elements/10_electric/10_allpole/392_generators&sources/qet_directory
@@ -2,6 +2,7 @@
     <names>
         <name lang="en">Generators and sources</name>
         <name lang="fr">Générateurs et sources</name>
+        <name lang="pl">Źródła zasilania</name>
         <name lang="de">Generatoren und Quellen</name>
     </names>
 </qet-directory>
diff --git a/elements/10_electric/10_allpole/395_electronics&semiconductors/01_resistors/qet_directory b/elements/10_electric/10_allpole/395_electronics&semiconductors/01_resistors/qet_directory
index 519fab344..844112aae 100644
--- a/elements/10_electric/10_allpole/395_electronics&semiconductors/01_resistors/qet_directory
+++ b/elements/10_electric/10_allpole/395_electronics&semiconductors/01_resistors/qet_directory
@@ -8,7 +8,7 @@
         <name lang="en">Resistors</name>
         <name lang="it">Resistore</name>
         <name lang="fr">Résistances</name>
-        <name lang="pl">Rezystor</name>
+        <name lang="pl">Rezystory</name>
         <name lang="es">Resistencia</name>
         <name lang="cs">Odporník</name>
         <name lang="nl">Weerstand</name>
diff --git a/elements/10_electric/10_allpole/395_electronics&semiconductors/02_capacitors/qet_directory b/elements/10_electric/10_allpole/395_electronics&semiconductors/02_capacitors/qet_directory
index 596451b09..dda121442 100644
--- a/elements/10_electric/10_allpole/395_electronics&semiconductors/02_capacitors/qet_directory
+++ b/elements/10_electric/10_allpole/395_electronics&semiconductors/02_capacitors/qet_directory
@@ -8,7 +8,7 @@
         <name lang="en">Capacitors</name>
         <name lang="it">Condensatore</name>
         <name lang="fr">Capacités</name>
-        <name lang="pl">Kondensator</name>
+        <name lang="pl">Kondensatory</name>
         <name lang="es">Condensador</name>
         <name lang="cs">Kondenzátor</name>
         <name lang="nl">Condensatoren</name>
diff --git a/elements/10_electric/10_allpole/395_electronics&semiconductors/03_inductors/qet_directory b/elements/10_electric/10_allpole/395_electronics&semiconductors/03_inductors/qet_directory
index 1caf4b420..d701e6069 100644
--- a/elements/10_electric/10_allpole/395_electronics&semiconductors/03_inductors/qet_directory
+++ b/elements/10_electric/10_allpole/395_electronics&semiconductors/03_inductors/qet_directory
@@ -4,7 +4,7 @@
         <name lang="fr">Inductances</name>
         <name lang="en">Inductors</name>
         <name lang="it">Induttanze</name>
-        <name lang="pl">Dławiki</name>
+        <name lang="pl">Cewki i dławiki</name>
         <name lang="cs">Cívky</name>
         <name lang="nl">Inducties</name>
         <name lang="el">Επαγωγές</name>
diff --git a/elements/10_electric/10_allpole/395_electronics&semiconductors/11_diodes/qet_directory b/elements/10_electric/10_allpole/395_electronics&semiconductors/11_diodes/qet_directory
index 18395d591..c017a32c5 100644
--- a/elements/10_electric/10_allpole/395_electronics&semiconductors/11_diodes/qet_directory
+++ b/elements/10_electric/10_allpole/395_electronics&semiconductors/11_diodes/qet_directory
@@ -4,7 +4,7 @@
         <name lang="en">Diode</name>
         <name lang="it">Diodo</name>
         <name lang="fr">Diode</name>
-        <name lang="pl">Dioda</name>
+        <name lang="pl">Diody</name>
         <name lang="cs">Dioda</name>
         <name lang="nl">Diodes</name>
         <name lang="el">Δίοδοι</name>
diff --git a/elements/10_electric/10_allpole/395_electronics&semiconductors/12_transistors/qet_directory b/elements/10_electric/10_allpole/395_electronics&semiconductors/12_transistors/qet_directory
index e2e1dc835..e8a65859d 100644
--- a/elements/10_electric/10_allpole/395_electronics&semiconductors/12_transistors/qet_directory
+++ b/elements/10_electric/10_allpole/395_electronics&semiconductors/12_transistors/qet_directory
@@ -6,7 +6,7 @@
         <name lang="en">Transistors</name>
         <name lang="it">Transistor</name>
         <name lang="fr">Transistors</name>
-        <name lang="pl">Tranzystor</name>
+        <name lang="pl">Tranzystory</name>
         <name lang="cs">Tranzistor</name>
         <name lang="nl">Transistor</name>
         <name lang="ru">Транзисторы</name>
diff --git a/elements/10_electric/10_allpole/395_electronics&semiconductors/13_thyristors/qet_directory b/elements/10_electric/10_allpole/395_electronics&semiconductors/13_thyristors/qet_directory
index 25a17802c..530d5975d 100644
--- a/elements/10_electric/10_allpole/395_electronics&semiconductors/13_thyristors/qet_directory
+++ b/elements/10_electric/10_allpole/395_electronics&semiconductors/13_thyristors/qet_directory
@@ -8,7 +8,7 @@
         <name lang="en">Thyristors</name>
         <name lang="it">Tiristore</name>
         <name lang="fr">Thyristors</name>
-        <name lang="pl">Tyrystor</name>
+        <name lang="pl">Tyrystory</name>
         <name lang="es">Tiristor</name>
         <name lang="cs">Thyristor</name>
         <name lang="nl">Thyristors</name>
diff --git a/elements/10_electric/10_allpole/395_electronics&semiconductors/41_PLC&controllers/qet_directory b/elements/10_electric/10_allpole/395_electronics&semiconductors/41_PLC&controllers/qet_directory
index 7eba1c6b4..920500d38 100644
--- a/elements/10_electric/10_allpole/395_electronics&semiconductors/41_PLC&controllers/qet_directory
+++ b/elements/10_electric/10_allpole/395_electronics&semiconductors/41_PLC&controllers/qet_directory
@@ -2,6 +2,7 @@
     <names>
         <name lang="en">PLC and controllers</name>
         <name lang="fr">API et commandes</name>
+        <name lang="pl">Sterowniki PLC i kontrolery</name>
         <name lang="de">SPS und Steuerungen</name>
     </names>
 </qet-directory>
diff --git a/elements/10_electric/10_allpole/395_electronics&semiconductors/91_computer_science/qet_directory b/elements/10_electric/10_allpole/395_electronics&semiconductors/91_computer_science/qet_directory
index 8d504a3c6..81a27957a 100644
--- a/elements/10_electric/10_allpole/395_electronics&semiconductors/91_computer_science/qet_directory
+++ b/elements/10_electric/10_allpole/395_electronics&semiconductors/91_computer_science/qet_directory
@@ -2,6 +2,7 @@
     <names>
         <name lang="en">Computer science</name>
         <name lang="fr">Informatique</name>
+        <name lang="pl">Komputery</name>
         <name lang="de">Computertechnik</name>
     </names>
 </qet-directory>
diff --git a/elements/10_electric/11_singlepole/395_electronics&semiconductors/10_resistors/qet_directory b/elements/10_electric/11_singlepole/395_electronics&semiconductors/10_resistors/qet_directory
index 519fab344..844112aae 100644
--- a/elements/10_electric/11_singlepole/395_electronics&semiconductors/10_resistors/qet_directory
+++ b/elements/10_electric/11_singlepole/395_electronics&semiconductors/10_resistors/qet_directory
@@ -8,7 +8,7 @@
         <name lang="en">Resistors</name>
         <name lang="it">Resistore</name>
         <name lang="fr">Résistances</name>
-        <name lang="pl">Rezystor</name>
+        <name lang="pl">Rezystory</name>
         <name lang="es">Resistencia</name>
         <name lang="cs">Odporník</name>
         <name lang="nl">Weerstand</name>
diff --git a/elements/10_electric/11_singlepole/395_electronics&semiconductors/20_capacitors/qet_directory b/elements/10_electric/11_singlepole/395_electronics&semiconductors/20_capacitors/qet_directory
index b88b15b25..c487b2ee4 100644
--- a/elements/10_electric/11_singlepole/395_electronics&semiconductors/20_capacitors/qet_directory
+++ b/elements/10_electric/11_singlepole/395_electronics&semiconductors/20_capacitors/qet_directory
@@ -8,7 +8,7 @@
         <name lang="en">Capacitors</name>
         <name lang="it">Condensatore</name>
         <name lang="fr">Condensateurs</name>
-        <name lang="pl">Kondensator</name>
+        <name lang="pl">Kondensatory</name>
         <name lang="es">Condensador</name>
         <name lang="cs">Kondenzátor</name>
         <name lang="nl">Condensatoren</name>
diff --git a/elements/10_electric/11_singlepole/395_electronics&semiconductors/30_inductors/qet_directory b/elements/10_electric/11_singlepole/395_electronics&semiconductors/30_inductors/qet_directory
index 1caf4b420..d701e6069 100644
--- a/elements/10_electric/11_singlepole/395_electronics&semiconductors/30_inductors/qet_directory
+++ b/elements/10_electric/11_singlepole/395_electronics&semiconductors/30_inductors/qet_directory
@@ -4,7 +4,7 @@
         <name lang="fr">Inductances</name>
         <name lang="en">Inductors</name>
         <name lang="it">Induttanze</name>
-        <name lang="pl">Dławiki</name>
+        <name lang="pl">Cewki i dławiki</name>
         <name lang="cs">Cívky</name>
         <name lang="nl">Inducties</name>
         <name lang="el">Επαγωγές</name>