Remove BelowUnits from RA bibbed structures and crates.

mods/ra/rules/structures.yaml

@@ -1046,7 +1046,6 @@ HPAD:
 		ExitCell: 0,0
 	Production:
 		Produces: Helicopter
-	BelowUnits:
 	Reservable:
 	IronCurtainable:
 	ProductionBar:
@@ -1081,7 +1080,6 @@ AFLD:
 		Facing:192
 	Production:
 		Produces: Plane
-	BelowUnits:
 	Reservable:
 	IronCurtainable:
 	SpyPlanePower:
@@ -1307,7 +1305,6 @@ FIX:
 		Type: Wood
 	RevealsShroud:
 		Range: 5
-	BelowUnits:
 	Reservable:
 	RallyPoint:
 	IronCurtainable:

mods/ra/rules/system.yaml

@@ -796,7 +796,6 @@ CRATE:
 		SelectionShares: 3
 		Unit: 4tnk
 	RenderSimple:
-	BelowUnits:
 	ProximityCaptor:
 		Types:Crate
 	Passenger:

mods/ra/sequences/misc.yaml

@@ -221,12 +221,15 @@ fb4:
 crate:
 	idle: scrate
 		Start: 0
+		ZOffset: -511
 	water: wwcrate
 		Start: 0
 		Length: *
 		Tick: 500
+		ZOffset: -511
 	land: sh-crate
 		Start: 0
+		ZOffset: -511
 
 crate-effects:
 	speed: speed

mods/ra/sequences/structures.yaml

@@ -181,38 +181,46 @@ weap:
 hpad:
 	idle:
 		Start: 0
+		ZOffset: -1023
 	damaged-idle:
 		Start: 7
-	make: hpadmake
-		Start: 0
-		Length: *
+		ZOffset: -1023
 	active:
 		Start: 1
 		Length: 6
+		ZOffset: -1023
 	damaged-active:
 		Start: 8
 		Length: 6
+		ZOffset: -1023
+	make: hpadmake
+		Start: 0
+		Length: *
 
 afld:
 	idle: afldidle
 		Start: 0
 		Length: 8
 		Tick: 160
+		ZOffset: -1023
 	damaged-idle: afldidle
 		Start: 8
 		Length: 8
 		Tick: 160
-	make: afldmake
-		Start: 0
-		Length: *
+		ZOffset: -1023
 	active:
 		Start: 0
 		Length: 8
 		Tick: 160
+		ZOffset: -1023
 	damaged-active:
 		Start: 8
 		Length: 8
 		Tick: 160
+		ZOffset: -1023
+	make: afldmake
+		Start: 0
+		Length: *
 
 spen:
 	idle:
@@ -235,17 +243,21 @@ syrd:
 fix:
 	idle:
 		Start: 0
+		ZOffset: -1c511
 	damaged-idle:
 		Start: 7
-	make: fixmake
-		Start: 0
-		Length: *
+		ZOffset: -1c511
 	active:
 		Start: 1
 		Length: 6
+		ZOffset: -1c511
 	damaged-active:
 		Start: 8
 		Length: 6
+		ZOffset: -1c511
+	make: fixmake
+		Start: 0
+		Length: *
 
 gun:
 	idle: