Precautions for operation: The operators must be specially trained and strictly abide by the operating procedures. It is recommended that operators wear self suction filter type dust masks and chemical safety goggles. Keep away from kindling and heat sources. Smoking is strictly prohibited in the workplace. Use explosion-proof ventilation systems and equipment. Avoid contact with oxidants, acids and halogens. Handle with care to prevent package damage. Fire fighting equipment and leakage emergency treatment equipment of corresponding varieties and quantities shall be provided. Empty containers may retain harmful substances.