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code/modules/atmospherics/machinery/airalarm.dm

@@ -762,14 +762,14 @@
 /obj/machinery/airalarm/attackby(obj/item/W, mob/user, params)
 	switch(buildstage)
 		if(2)
-			if(istype(W, /obj/item/wirecutters) && panel_open && wires.is_all_cut())
+			if(W.tool_behaviour == TOOL_WIRECUTTER && panel_open && wires.is_all_cut())
 				W.play_tool_sound(src)
 				to_chat(user, "<span class='notice'>You cut the final wires.</span>")
 				new /obj/item/stack/cable_coil(loc, 5)
 				buildstage = 1
 				update_icon()
 				return
-			else if(istype(W, /obj/item/screwdriver))  // Opening that Air Alarm up.
+			else if(W.tool_behaviour == TOOL_SCREWDRIVER)  // Opening that Air Alarm up.
 				W.play_tool_sound(src)
 				panel_open = !panel_open
 				to_chat(user, "<span class='notice'>The wires have been [panel_open ? "exposed" : "unexposed"].</span>")
@@ -781,7 +781,7 @@
 				wires.interact(user)
 				return
 		if(1)
-			if(istype(W, /obj/item/crowbar))
+			if(W.tool_behaviour == TOOL_CROWBAR)
 				user.visible_message("[user.name] removes the electronics from [src.name].",\
 									"<span class='notice'>You start prying out the circuit...</span>")
 				W.play_tool_sound(src)
@@ -832,7 +832,7 @@
 				update_icon()
 				return
 
-			if(istype(W, /obj/item/wrench))
+			if(W.tool_behaviour == TOOL_WRENCH)
 				to_chat(user, "<span class='notice'>You detach \the [src] from the wall.</span>")
 				W.play_tool_sound(src)
 				new /obj/item/wallframe/airalarm( user.loc )

code/modules/atmospherics/machinery/components/unary_devices/cryo.dm

@@ -326,7 +326,7 @@
 		|| default_deconstruction_crowbar(I))
 		update_icon()
 		return
-	else if(istype(I, /obj/item/screwdriver))
+	else if(I.tool_behaviour == TOOL_SCREWDRIVER)
 		to_chat(user, "<span class='notice'>You can't access the maintenance panel while the pod is " \
 		+ (on ? "active" : (occupant ? "full" : "open")) + ".</span>")
 		return
@@ -454,8 +454,10 @@
 		return G.return_temperature()
 	return ..()
 
-/obj/machinery/atmospherics/components/unary/cryo_cell/default_change_direction_wrench(mob/user, obj/item/wrench/W)
+/obj/machinery/atmospherics/components/unary/cryo_cell/default_change_direction_wrench(mob/user, obj/item/W)
 	. = ..()
+	if(!W.tool_behaviour == TOOL_WRENCH)
+		return
 	if(.)
 		SetInitDirections()
 		var/obj/machinery/atmospherics/node = nodes[1]

code/modules/atmospherics/machinery/portable/portable_atmospherics.dm

@@ -115,7 +115,7 @@
 			to_chat(user, "<span class='notice'>[holding ? "In one smooth motion you pop [holding] out of [src]'s connector and replace it with [T]" : "You insert [T] into [src]"].</span>")
 			replace_tank(user, FALSE, T)
 			update_icon()
-	else if(istype(W, /obj/item/wrench))
+	else if(W.tool_behaviour == TOOL_WRENCH)
 		if(!(stat & BROKEN))
 			if(connected_port)
 				disconnect()