anchor.diff:  		return
   	if(!density)
   		return ..()
  -	return 0
  +	return FALSE
   
   
   /obj/machinery/door/firedoor/power_change()
  
positive.code: 	desc = "Apply crowbar."
  	icon = 'icons/obj/doors/Doorfireglass.dmi'
  	icon_state = "door_open"
  	opacity = 0
  	density = FALSE
  	max_integrity = 300
  	resistance_flags = FIRE_PROOF
  
negative.code: 									 "<span class='notice'>You begin slicing [src] apart...</span>")
  
  				if(C.use_tool(src, user, 40, volume=50, amount=1))
  					if(constructionStep != CONSTRUCTION_NOCIRCUIT)
  						return
  					user.visible_message("<span class='notice'>[user] cuts apart [src]!</span>", \
  