Crane operators belong to a special type of work, that is, bridge crane operators. It is divided into two categories: general bridge crane and portal crane. It belongs to aerial work. Special jobs are different from special operations. 199 1 year, the definition of special operations was given in Article 2 of the Administrative Regulations on Safety Technology Training and Assessment of Special Operators issued by the former Ministry of Labor. The Administrative Measures for Safety Technology Training and Assessment of Special Operators issued by the State Economic and Trade Commission 1999 partially changed the above definition, and made it clear that special operations refer to operations that are prone to casualties and have great harm to the safety of operators, others and surrounding facilities (such as electricians, metal welding and cutting, etc.). ). Personnel engaged in such operations are called special operations personnel.