Closed operation, enhanced ventilation, operators must be specially trained, strictly abide by the operating procedures, it is recommended that operators wear self-priming filter dust masks, chemical safety glasses, anti-poisoning work clothes, rubber gloves to avoid dust, Avoid contact with acids, lightly load and unload during handling, prevent packaging damage, equipped with leakage emergency treatment equipment, empty containers may contain harmful substances, when the concentration of dust in the air exceeds the standard, you must wear self-priming filter dust mask, emergency matters A gas mask should be worn when salvaging or evacuating.