Closed operation, fully sealed. Operators must be specially trained to strictly observe the operating procedures. It is recommended that operators wear a filter-type gas mask (half-mask), wear safety glasses, wear anti-static overalls, and wear rubber-oil resistant gloves. Keep away from fire and heat sources and smoking is prohibited in the workplace. Use explosion-proof ventilation systems and equipment. Prevent vapors from leaking into the workplace air. Avoid contact with oxidants, reducing agents, bases. The flow rate should be controlled during filling, and there is a grounding device to prevent electrostatic accumulation. It should be lightly loaded and unloaded to prevent damage to the packaging and containers. Equipped with the appropriate types and quantities of fire-fighting equipment and emergency response equipment. Empty containers may be harmful residues.