企业的任何一项安全生产业务都可以分解为一系列安全生产责任，完成一项安全生产业务，都需有若干个步骤，要几个部门或人员参加。
Any work safety business of an enterprise can be divided into a series of work safety responsibility units, and a lot of steps, several departments and staff should be needed to complete a business.
一个人的生命只有一次，如果能再挽救一个或几个生命，那么他就具有几个，甚至若干个生命。
A the individual's life have a time, if can save one more or a few life, that he have severals, even some life.
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