anchor.diff:  		return
   	if(!density)
   		return ..()
  -	return 0
  +	return FALSE
   
   
   /obj/machinery/door/firedoor/power_change()
  
positive.code: 
  /obj/structure/firelock_frame/heavy
  	name = "heavy firelock frame"
  	reinforced = 1
  
  #undef CONSTRUCTION_COMPLETE
  #undef CONSTRUCTION_PANEL_OPEN
  
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>", \
  