anchor.diff:  
   /obj/machinery/door/firedoor/heavy
   	name = "heavy firelock"
  -	icon = 'icons/obj/doors/Doorfire.dmi'
  +	icon = 'icons/obj/doors/doorfire.dmi'
   	glass = FALSE
   	explosion_block = 2
   	assemblytype = /obj/structure/firelock_frame/heavy
  
positive.code: /obj/machinery/door/firedoor
  	name = "firelock"
  	desc = "Apply crowbar."
  	icon = 'icons/obj/doors/Doorfireglass.dmi'
  	icon_state = "door_open"
  	opacity = FALSE
  	density = FALSE
  
negative.code: /obj/structure/firelock_frame
  	name = "firelock frame"
  	desc = "A partially completed firelock."
  	icon = 'icons/obj/doors/doorfire.dmi'
  	icon_state = "frame1"
  	anchored = FALSE
  	density = TRUE
  