预防与损失的辩证关系投入与产出的辩证关系成本与效益的辩证关系预防与损失的辩证关系生产中伤亡事故统计分析表明,80%以上的伤亡事故与安全管理缺陷密切相关。要想从根本上防止事故发生,必须加强安全成本管理。所谓安全成本是指为了预防生产过程中发生人 Dialectical relationship between prevention and loss Dialectical relationship between input and output Dialectical relationship between cost and benefit Dialectical relationship between prevention and loss Statistical analysis of casualties in production shows that more than 80% of casualties are closely related to defects in safety management. To fundamentally prevent accidents, safety management must be strengthened. The so-called cost of safety is to prevent the occurrence of people in the production process