What are the special types of work stipulated by the state?

Hello, you are engaged in hazardous chemicals: toxic and highly toxic chemicals, as well as high temperature, high altitude, radiation, dust, special welding and other types of work, which need to be declared by the unit, approved by the Social Security Bureau, and paid regularly by the unit (such as nutritious vegetables, milk and monetary subsidies, etc.). ) and employees enjoy regular rest. This is a special type of work, which is recorded in the computer files of the Social Security Bureau. Special jobs with more than ten years of service can retire five years in advance.