anchor.diff:  	spawn(rand(0,15))
   		update_icon()
   
  +/obj/machinery/alarm/examine()
  +	..()
  +	if (buildstage < 2)
  +		usr << "It is not wired."
  +	if (buildstage < 1)
  +		usr << "The circuit is missing."
   /*
   AIR ALARM CIRCUIT
   Just a object used in constructing air alarms
  
positive.code: 		return
  
  	new /obj/machinery/alarm(loc, ndir, 1)
  
  	del(src)
  
  /*
  
negative.code: 	else
  		return "<html><head><title>\The [src]</title></head><body>[return_status()]<hr>[rcon_text()]<hr>[return_controls()]</body></html>"
  
  /obj/machinery/alarm/proc/return_status()
  	var/turf/location = get_turf(src)
  	var/datum/gas_mixture/environment = location.return_air()
  	var/total = environment.oxygen + environment.carbon_dioxide + environment.toxins + environment.nitrogen
  