If the trace is deposit time is too long, can besmear on very hot mark a petrolatum, lie between dishcloth of two days of reoccupy to wipe can wipe decontamination mark.

• 假如痕迹沉积时间过长，可以在烫痕上涂一层凡士林油，隔两天再用抹布擦拭就能抹去污痕。