Essentially, type safetymeans that a program cannot perform an operation on an object unless that operation is valid for that object.
本质上，类型安全性意味着，除非程序的操作对于类型是合法的，否则就无法在对象上执行操作。
2
Production safetymeans to prevent and control potential accidents, and to protect people's life and social properties. For this, the idea of safety system was evolved.
安全生产的目的就是要预防和控制各类事故的发生，保护人民生命安全和社会财产安全。
3
So what does science tell us about what a few moments on the floor means for the safety of your food?