Closed operation, partial air exhaust. Prevent steam from leaking into the air in the workplace. Operators must undergo special training and strictly follow the operating procedures. It is recommended that operators wear self suction filter type gas masks (semi masks), wear chemical safety goggles, wear anti-static overalls, and wear rubber gloves. Keep away from fire, heat, smoking in workplaces. Use explosion-proof ventilation systems and equipment. Welding and cutting operations cannot be carried out before removing liquid and steam. Avoid smoke. Avoid contact with oxidants, acids, alkalis. Containers and conveyors must be grounded to prevent static electricity. When filling, the flow rate shall be controlled, and the grounding device shall be used to prevent the accumulation of static electricity. Equipped with the corresponding varieties and quantities of fire fighting equipment and leakage emergency treatment equipment. Empty containers may leave harmful substances.