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在工业生产中,毒物主要通过什么途径进入人体?主要通过呼吸道和皮肤进入人体。呼吸器分为哪三种?分为防尘、防毒、供氧三种。过滤式防毒面具的适用范围是什么?适用于空气中氧气体积浓度大于1 8%,有毒气体浓度小于2%。事故的四个基本特征是什么?因果性、随机性、潜伏性、可预防性开关高压阀门时应注意什么?开关高压阀门时动作不要过快过猛,操作者应站在阀门的侧面。安全带如何正确使用?应该是高挂低用。
In industrial production, what is the main way poison enters the body? Mainly through the respiratory tract and skin into the body. Respirator divided into three? Divided into dust, anti-virus, oxygen three. What is the scope of application of gas mask? Suitable for air oxygen concentration of more than 18%, toxic gas concentration of less than 2%. What are the four basic characteristics of the accident? Causal, random, latent, preventable When switching high-pressure valve should pay attention to what? When switching high-pressure valve action not too fast too fast, the operator should stand on the side of the valve. How to use the safety belt? It should be hanging low.