Some more types which need Destroy to return qdel hints!

code/game/objects/items/bodybag.dm

@@ -149,12 +149,9 @@
 	..()
 
 /obj/structure/closet/body_bag/cryobag/Destroy()
-	if(syringe)
-		qdel(syringe)
-		syringe = null
-	qdel(tank)
-	tank = null
-	..()
+	qdel_null(syringe)
+	qdel_null(tank)
+	return ..()
 
 /obj/structure/closet/body_bag/cryobag/open()
 	. = ..()

code/game/objects/items/devices/PDA/radio.dm

@@ -152,4 +152,4 @@
 /obj/item/radio/integrated/signal/Destroy()
 	if(radio_controller)
 		radio_controller.remove_object(src, frequency)
-	..()
+	return ..()

code/game/objects/items/weapons/grenades/chem_grenade.dm

@@ -19,6 +19,11 @@
 	New()
 		create_reagents(1000)
 
+	Destroy()
+		qdel_null(detonator)
+		qdel_null_list(beakers)
+		return ..()
+
 	attack_self(mob/user as mob)
 		if(!stage || stage==1)
 			if(detonator)

code/game/objects/items/weapons/implants/implant.dm

@@ -52,7 +52,7 @@
 /obj/item/weapon/implant/Destroy()
 	if(part)
 		part.implants.Remove(src)
-	..()
+	return ..()
 
 /obj/item/weapon/implant/attackby(obj/item/I, mob/user)
 	if(istype(I, /obj/item/weapon/implanter))

code/game/objects/items/weapons/tanks/jetpack.dm

@@ -24,8 +24,8 @@
 	ion_trail.set_up(src)
 
 /obj/item/weapon/tank/jetpack/Destroy()
-	qdel(ion_trail)
-	..()
+	qdel_null(ion_trail)
+	return ..()
 
 /obj/item/weapon/tank/jetpack/examine(mob/user)
 	. = ..()

code/game/objects/items/weapons/tools.dm

@@ -435,7 +435,7 @@
 
 /obj/item/weapon/weldingtool/experimental/Destroy()
 	processing_objects -= src
-	..()
+	return ..()
 
 /obj/item/weapon/weldingtool/experimental/process()
 	..()

code/game/objects/items/weapons/weaponry.dm

@@ -116,7 +116,7 @@
 		unbuckle_mob()
 
 	processing_objects -= src
-	..()
+	return ..()
 
 /obj/effect/energy_net/process()
 	if(isnull(buckled_mob) || buckled_mob.loc != loc)