diff --git a/elements/mecanique/hydraulique/baches_hydrauliques/bache_pressurisee.elmt b/elements/mecanique/hydraulique/baches_hydrauliques/bache_pressurisee.elmt
index 0580d0a23..49b29c3d9 100644
--- a/elements/mecanique/hydraulique/baches_hydrauliques/bache_pressurisee.elmt
+++ b/elements/mecanique/hydraulique/baches_hydrauliques/bache_pressurisee.elmt
@@ -12,8 +12,8 @@ accumulator
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         <arc width="25" x="-12.5" y="12.5" antialias="true" height="25" style="line-style:normal;line-weight:normal;filling:none;color:black" start="0" angle="-180"/>
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         <terminal x="0" y="46.9336" orientation="s"/>
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diff --git a/elements/mecanique/hydraulique/baches_hydrauliques/qet_directory b/elements/mecanique/hydraulique/baches_hydrauliques/qet_directory
index 0412fb27f..d424754c7 100644
--- a/elements/mecanique/hydraulique/baches_hydrauliques/qet_directory
+++ b/elements/mecanique/hydraulique/baches_hydrauliques/qet_directory
@@ -1,6 +1,6 @@
 <qet-directory>
     <names>
         <name lang="fr" >Baches hydrauliques</name>
-	<name lang="fr" >Tanks hydraulic</name>
+	<name lang="en" >Tanks hydraulic</name>
     </names>
 </qet-directory>
diff --git a/elements/mecanique/hydraulique/verins/verin-symetrique-double-effet.elmt b/elements/mecanique/hydraulique/verins/verin-symetrique-double-effet.elmt
index 2444fb7ed..b7292d98f 100644
--- a/elements/mecanique/hydraulique/verins/verin-symetrique-double-effet.elmt
+++ b/elements/mecanique/hydraulique/verins/verin-symetrique-double-effet.elmt
@@ -5,8 +5,8 @@
     </names>
     <informations></informations>
     <description>
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+        <line length1="1.5" length2="1.5" antialias="true" end1="none" end2="none" style="line-style:normal;line-weight:normal;filling:none;color:black" y1="-10" x1="70" y2="-10" x2="80"/>
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@@ -19,11 +19,11 @@
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diff --git a/elements/mecanique/pneumatique/Accessoires/clapet_anti_retour_pilote.elmt b/elements/mecanique/pneumatique/Accessoires/clapet_anti_retour_pilote.elmt
index bb2a2d087..f911024de 100644
--- a/elements/mecanique/pneumatique/Accessoires/clapet_anti_retour_pilote.elmt
+++ b/elements/mecanique/pneumatique/Accessoires/clapet_anti_retour_pilote.elmt
@@ -1,33 +1,30 @@
-<definition width="80" version="0.2" hotspot_x="10" hotspot_y="40" height="60" type="element" orientation="dyyy" >
+<definition width="80" version="0.3" hotspot_x="10" hotspot_y="40" height="60" type="element" orientation="dyyy">
     <names>
-        <name lang="en" >Pilot-operated non-return valve</name>
-        <name lang="fr" >Clapet anti-retour piloté</name>
+        <name lang="en">Pilot-operated non-return valve</name>
+        <name lang="fr">Clapet anti-retour piloté</name>
     </names>
+    <informations></informations>
     <description>
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-        <circle x="20" y="-3" antialias="true" style="line-style:normal;line-weight:normal;filling:none;color:black" diameter="6" />
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-        <terminal x="60" y="0" orientation="e" />
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+        <input x="4" y="-22" size="9" rotate="true" text="_"/>
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+        <terminal x="0" y="10" orientation="w"/>
+        <terminal x="0" y="0" orientation="w"/>
+        <terminal x="60" y="0" orientation="e"/>
     </description>
 </definition>
diff --git a/elements/mecanique/pneumatique/Accessoires/valve_echappement_rapide.elmt b/elements/mecanique/pneumatique/Accessoires/valve_echappement_rapide.elmt
index 7f06be15b..67becb437 100644
--- a/elements/mecanique/pneumatique/Accessoires/valve_echappement_rapide.elmt
+++ b/elements/mecanique/pneumatique/Accessoires/valve_echappement_rapide.elmt
@@ -1,28 +1,29 @@
-<definition width="100" version="0.2" hotspot_x="10" hotspot_y="30" height="60" type="element" orientation="dyyy" >
+<definition width="100" version="0.3" hotspot_x="10" hotspot_y="30" height="60" type="element" orientation="dyyy">
     <names>
-        <name lang="en" >Quick exhaust valves</name>
-        <name lang="fr" >Vannes d'échappement rapide</name>
+        <name lang="en">Quick exhaust valves</name>
+        <name lang="fr">Vannes d'échappement rapide</name>
     </names>
+    <informations></informations>
     <description>
-        <input x="68" y="21" size="9" rotate="true" text="_" />
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-        <terminal x="0" y="0" orientation="w" />
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diff --git a/elements/mecanique/pneumatique/Distributeurs_Electrique/distributeur_5_2_mono_rappel_pression_electrique.elmt b/elements/mecanique/pneumatique/Distributeurs_Electrique/distributeur_5_2_mono_rappel_pression_electrique.elmt
index 1c04f2aef..d381b5ac1 100644
--- a/elements/mecanique/pneumatique/Distributeurs_Electrique/distributeur_5_2_mono_rappel_pression_electrique.elmt
+++ b/elements/mecanique/pneumatique/Distributeurs_Electrique/distributeur_5_2_mono_rappel_pression_electrique.elmt
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diff --git a/elements/mecanique/pneumatique/Distributeurs_Manuel/distributeur_4_2_crante_manuel.elmt b/elements/mecanique/pneumatique/Distributeurs_Manuel/distributeur_4_2_crante_manuel.elmt
index 41a028603..7b80399a7 100644
--- a/elements/mecanique/pneumatique/Distributeurs_Manuel/distributeur_4_2_crante_manuel.elmt
+++ b/elements/mecanique/pneumatique/Distributeurs_Manuel/distributeur_4_2_crante_manuel.elmt
@@ -1,37 +1,38 @@
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-        <name lang="en" >4/2-way valve lockable</name>
-        <name lang="fr" >Distributeurs 4/2 à crantage</name>
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+        <name lang="fr">Distributeurs 4/2 à crantage</name>
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diff --git a/elements/mecanique/pneumatique/Distributeurs_Manuel/distributeur_4_3_CF_crante_manuel.elmt b/elements/mecanique/pneumatique/Distributeurs_Manuel/distributeur_4_3_CF_crante_manuel.elmt
index 37c29e8bb..dab43360d 100644
--- a/elements/mecanique/pneumatique/Distributeurs_Manuel/distributeur_4_3_CF_crante_manuel.elmt
+++ b/elements/mecanique/pneumatique/Distributeurs_Manuel/distributeur_4_3_CF_crante_manuel.elmt
@@ -1,49 +1,50 @@
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     <names>
-        <name lang="en" >4/3-way valve lockable</name>
-        <name lang="fr" >Distributeur 4/3 CF à crantage</name>
+        <name lang="en">4/3-way valve lockable</name>
+        <name lang="fr">Distributeur 4/3 CF à crantage</name>
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diff --git a/elements/mecanique/pneumatique/Traitement_Air/filtre_regulateur.elmt b/elements/mecanique/pneumatique/Traitement_Air/filtre_regulateur.elmt
index 507cb77ad..f80fa995d 100644
--- a/elements/mecanique/pneumatique/Traitement_Air/filtre_regulateur.elmt
+++ b/elements/mecanique/pneumatique/Traitement_Air/filtre_regulateur.elmt
@@ -1,56 +1,57 @@
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     <names>
-        <name lang="en" >Filter pressure regulator</name>
-        <name lang="fr" >Filtres régulateurs de pression</name>
+        <name lang="en">Filter pressure regulator</name>
+        <name lang="fr">Filtres régulateurs de pression</name>
     </names>
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diff --git a/elements/mecanique/pneumatique/Verins/verin_rotatif.elmt b/elements/mecanique/pneumatique/Verins/verin_rotatif.elmt
index 936ac28f7..784420577 100644
--- a/elements/mecanique/pneumatique/Verins/verin_rotatif.elmt
+++ b/elements/mecanique/pneumatique/Verins/verin_rotatif.elmt
@@ -5,31 +5,16 @@
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diff --git a/elements/mecanique/pneumatique/Verins/verin_soufflet.elmt b/elements/mecanique/pneumatique/Verins/verin_soufflet.elmt
index 24bb3efaf..0ef24c0e3 100644
--- a/elements/mecanique/pneumatique/Verins/verin_soufflet.elmt
+++ b/elements/mecanique/pneumatique/Verins/verin_soufflet.elmt
@@ -1,29 +1,18 @@
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+<definition width="70" version="0.3" hotspot_x="30" hotspot_y="40" height="60" type="element" orientation="dyyy">
     <names>
-        <name lang="en" >Bellow actuators</name>
-        <name lang="fr" >Vérins à soufflet</name>
+        <name lang="en">Bellow actuators</name>
+        <name lang="fr">Vérins à soufflet</name>
     </names>
+    <informations></informations>
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diff --git a/elements/mecanique/pneumatique/Vide/ejecteur.elmt b/elements/mecanique/pneumatique/Vide/ejecteur.elmt
index 14ab0f8f1..0cc073500 100644
--- a/elements/mecanique/pneumatique/Vide/ejecteur.elmt
+++ b/elements/mecanique/pneumatique/Vide/ejecteur.elmt
@@ -1,22 +1,21 @@
-<definition width="100" version="0.2" hotspot_x="40" hotspot_y="40" height="60" type="element" orientation="dyyy" >
+<definition width="100" version="0.3" hotspot_x="40" hotspot_y="40" height="60" type="element" orientation="dyyy">
     <names>
-        <name lang="en" >Vacuum generators</name>
-        <name lang="fr" >Générateurs de vide</name>
+        <name lang="en">Vacuum generators</name>
+        <name lang="fr">Générateurs de vide</name>
     </names>
+    <informations></informations>
     <description>
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-        <terminal x="0" y="0" orientation="s" />
-        <terminal x="-36" y="-24" orientation="w" />
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+        <terminal x="0" y="0" orientation="s"/>
+        <terminal x="-36" y="-24" orientation="w"/>
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