- handheld sonar

- junction boxes, sonar monitors, navigation terminals and engines break down if they're underwater long enough
- reactor cools down if it's underwater
- job-specific gear are grouped by job in separate .xml files

Subsurface/Content/Items/Engine/engine.xml

@@ -10,7 +10,14 @@
 
     <Sprite texture ="engine.png" depth="0.8"/>
 
+    <fixrequirement name="Mechanical repairs">
+      <skill name="Construction" level="40"/>
+      <item name="Welding Tool"/>
+      <item name="Wrench"/>
+    </fixrequirement>
+
     <Engine minvoltage="0.5" powerconsumption="2000.0" maxforce="2000" canbeselected = "true">
+      <StatusEffect type="InWater" target="This" condition="-2.0"/>
       <GuiFrame rect="0,0,350,160" alignment="Center" color="0.0,0.0,0.0,0.6"/>
       <sound file="engine.ogg" type="OnActive" range="3000.0" volume="CurrentVolume" loop="true"/>
     </Engine>
@@ -30,7 +37,14 @@
 
     <Sprite texture="Content/Items/machines.png" depth="0.8" sourcerect="0,0,64,128"/>
 
+    <fixrequirement name="Electrical repairs">
+      <skill name="Electrical Engineering" level="40"/>
+      <item name="Wire"/>
+      <item name="Screwdriver"/>
+    </fixrequirement>
+    
     <Steering minvoltage="0.5" canbeselected = "true" powerconsumption="10">
+      <StatusEffect type="InWater" target="This" condition="-1.0"/>
       <GuiFrame rect="0,0,0.5,0.5" alignment="Center" color="0.0,0.0,0.0,0.6"/>
     </Steering>
 
@@ -58,7 +72,14 @@
     
     <Sprite texture="Content/Items/machines.png" depth="0.8" sourcerect="64,0,64,128"/>
 
+    <fixrequirement name="Electrical repairs">
+      <skill name="Electrical Engineering" level="40"/>
+      <item name="Wire"/>
+      <item name="Screwdriver"/>
+    </fixrequirement>
+
     <Radar canbeselected = "true" powerconsumption="100">
+      <StatusEffect type="InWater" target="This" condition="-1.0"/>
       <GuiFrame rect="0,0,0.5,0.5" alignment="Center" color="0.0,0.0,0.0,0.6"/>
       <PingCircle texture="Content/Items/Engine/pingCircle.png" origin="0.5,0.5"/>
       <ScreenOverlay texture="Content/Items/Engine/radarOverlay.png" origin="0.5,0.5"/>