anchor.diff:  /obj/machinery/portable_atmospherics/canister/sleeping_agent
   	name = "Canister: \[N2O\]"
   	icon_state = "redws"
  -	_color = list("redws", null, null, null)
  +	_color = list("redsw", null, null, null)
   	can_label = 0
   /obj/machinery/portable_atmospherics/canister/nitrogen
   	name = "Canister: \[N2\]"
  
positive.code: 8 = tank_pressure < ONE_ATMOS
  16 = tank_pressure < 15*ONE_ATMOS
  32 = tank_pressure go boom.
  64 = decals/colors got changed
  */
  
  	if (src.destroyed)
  
negative.code: 		overlays += "can-o2"
  	else if(update_flag & 32)
  		overlays += "can-o3"
  	check_change()//call this here to update the bitflag, incase the canister gets relabeled instantly after again
  	return
  
  /obj/machinery/portable_atmospherics/canister/fire_act(datum/gas_mixture/air, exposed_temperature, exposed_volume)
  