diff --git a/elements/10_electric/10_allpole.zip b/elements/10_electric/10_allpole.zip
deleted file mode 100644
index 0eb1a9482..000000000
Binary files a/elements/10_electric/10_allpole.zip and /dev/null differ
diff --git a/elements/10_electric/10_allpole/100_folio_referencing/qet_directory b/elements/10_electric/10_allpole/100_folio_referencing/qet_directory
index 70d36dc2d..6b92483db 100644
--- a/elements/10_electric/10_allpole/100_folio_referencing/qet_directory
+++ b/elements/10_electric/10_allpole/100_folio_referencing/qet_directory
@@ -2,7 +2,7 @@
     <names>
         <name lang="ru">Точки разрыва</name>
         <name lang="ar">إحالات</name>
-        <name lang="cs">Odkazy</name>
+        <name lang="cs">Odkazování listů</name>
         <name lang="de">Folienverweise</name>
         <name lang="el">Αναφορές σελίδας</name>
         <name lang="en">Folio referencing</name>
diff --git a/elements/10_electric/10_allpole/200_fuses&protective_gears/10_fuses/qet_directory b/elements/10_electric/10_allpole/200_fuses&protective_gears/10_fuses/qet_directory
index 87b62a756..41c5389e2 100644
--- a/elements/10_electric/10_allpole/200_fuses&protective_gears/10_fuses/qet_directory
+++ b/elements/10_electric/10_allpole/200_fuses&protective_gears/10_fuses/qet_directory
@@ -6,7 +6,7 @@
         <name lang="fr">Fusibles</name>
         <name lang="ar">حوامل-مصهرات</name>
         <name lang="es">Portafusibles</name>
-        <name lang="cs">Konektorové piny</name>
+        <name lang="cs">Pojistky</name>
         <name lang="pt">Porta fusíveis</name>
         <name lang="pl">Odłączniki bezpiecznikowe</name>
         <name lang="it">Portafusibili</name>
diff --git a/elements/10_electric/11_singlepole.zip b/elements/10_electric/11_singlepole.zip
deleted file mode 100644
index 9997e0511..000000000
Binary files a/elements/10_electric/11_singlepole.zip and /dev/null differ
diff --git a/elements/10_electric/20_manufacturers_articles/pic/qet_directory b/elements/10_electric/20_manufacturers_articles/pic/qet_directory
index d2bb85fef..0a6e04da5 100644
--- a/elements/10_electric/20_manufacturers_articles/pic/qet_directory
+++ b/elements/10_electric/20_manufacturers_articles/pic/qet_directory
@@ -1,5 +1,5 @@
 <qet-directory>
     <names>
         <name lang="en">Pic</name>
-        <name lang="cs">Pic</name></names>
+        <name lang="cs">Microchip</name></names>
 </qet-directory>
diff --git a/elements/10_electric/20_manufacturers_articles/raspberry/qet_directory b/elements/10_electric/20_manufacturers_articles/raspberry/qet_directory
index f876a9927..98f73fc9b 100644
--- a/elements/10_electric/20_manufacturers_articles/raspberry/qet_directory
+++ b/elements/10_electric/20_manufacturers_articles/raspberry/qet_directory
@@ -1,5 +1,5 @@
 <qet-directory>
     <names>
         <name lang="en">Raspberry</name>
-        <name lang="cs">Raspberry</name></names>
+        <name lang="cs">Raspbery PI</name></names>
 </qet-directory>