//what could possibly go wrong
var/list/devil_machines = typecacheof(/obj/item/circuitboard, TRUE)  - list(
	/obj/item/circuitboard/shuttle,
	/obj/item/circuitboard/swfdoor,
	/obj/item/circuitboard/olddoor,
	/obj/item/circuitboard/computer,
	/obj/item/circuitboard/machine
	)