diff --git a/elements/50_pneumatic/61_drives/flange.elmt b/elements/50_pneumatic/61_drives/flange.elmt
index 1e626f78b..c850d753c 100644
--- a/elements/50_pneumatic/61_drives/flange.elmt
+++ b/elements/50_pneumatic/61_drives/flange.elmt
@@ -4,6 +4,7 @@
         <name lang="fr">Poulie</name>
         <name lang="it">Flangia</name>
         <name lang="nl">Koppeling</name>
+        <name lang="pl">Sprzęgło</name>
         <name lang="cs">Obruba</name>
     </names>
     <informations>Author: Arun Kishore Eswara
diff --git a/elements/50_pneumatic/61_drives/impeller.elmt b/elements/50_pneumatic/61_drives/impeller.elmt
index 3931eeb50..a68f79ccc 100644
--- a/elements/50_pneumatic/61_drives/impeller.elmt
+++ b/elements/50_pneumatic/61_drives/impeller.elmt
@@ -4,6 +4,7 @@
         <name lang="fr">Turbine</name>
         <name lang="it">Girante</name>
         <name lang="nl">Schoepenrad</name>
+        <name lang="pl">Wirnik</name>
         <name lang="cs">Turbína</name>
     </names>
     <informations>Author: Arun Kishore Eswara
diff --git a/elements/60_energy/11_water/grifo-aparatos/qet_directory b/elements/60_energy/11_water/grifo-aparatos/qet_directory
index ea4be1289..7d29131fb 100644
--- a/elements/60_energy/11_water/grifo-aparatos/qet_directory
+++ b/elements/60_energy/11_water/grifo-aparatos/qet_directory
@@ -5,6 +5,7 @@
         <name lang="it">Rubinetti e apparecchi</name>
         <name lang="es">Grifos-Aparatos</name>
         <name lang="el">Βρύσες και εξαρτήματα</name>
+        name lang="pl">Armatura i urządzenia</name>
         <name lang="fr">Robinets et accessoires</name>
     </names>
 </qet-directory>
diff --git a/elements/60_energy/11_water/multicapa/qet_directory b/elements/60_energy/11_water/multicapa/qet_directory
index 9683fcf55..e97cda111 100644
--- a/elements/60_energy/11_water/multicapa/qet_directory
+++ b/elements/60_energy/11_water/multicapa/qet_directory
@@ -5,6 +5,7 @@
         <name lang="it">Raccorderia</name>
         <name lang="es">MulticapaAlpex</name>
         <name lang="el">Σύνδεσμοι</name>
+        <name lang="pl">Złączki</name>
         <name lang="fr">Raccords</name>
     </names>
 </qet-directory>
diff --git a/elements/60_energy/11_water/roscar-valvulas/qet_directory b/elements/60_energy/11_water/roscar-valvulas/qet_directory
index 35af47f6a..a4c7f2f91 100644
--- a/elements/60_energy/11_water/roscar-valvulas/qet_directory
+++ b/elements/60_energy/11_water/roscar-valvulas/qet_directory
@@ -3,6 +3,7 @@
         <name lang="de">Ventile und Zubehör</name>
         <name lang="es">Roscar-Válvulas</name>
         <name lang="it">Filettati</name>
+        <name lang="pl">Zawory i złączki</name>
         <name lang="fr">Vannes</name>
     </names>
 </qet-directory>
diff --git a/elements/60_energy/11_water/schemas/qet_directory b/elements/60_energy/11_water/schemas/qet_directory
index 07212e6e6..1c7b9c2b7 100644
--- a/elements/60_energy/11_water/schemas/qet_directory
+++ b/elements/60_energy/11_water/schemas/qet_directory
@@ -4,6 +4,7 @@
         <name lang="es">Esquemas Agua</name>
         <name lang="it">Idraulica</name>
         <name lang="fr">Schémas</name>
+        <name lang="pl">Symbole instalacji wodnych</name>
         <name lang="en">Water Schemes</name>
     </names>
 </qet-directory>