Special work is different from special work. 199 1 year Article 2 of the Management Regulations on Safety Technology Training and Assessment of Special Operators promulgated by the former Ministry of Labor defines special operations. 1999 "Management Measures for Safety Technology Training and Assessment of Special Operators" partially changed the above definition, making 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.). ). People engaged in this kind of operation are called special operators. First, electrical work. Including power generation, transmission, substation, electrician, electrical equipment installation, operation, maintenance (maintenance), tester, mine fitter; 2. Metal welding and cutting. Including welders and cutters; 3, lifting machinery operation. Including crane drivers, cable workers, signal command, installation and maintenance workers, motor vehicle driving in enterprises, etc. Including drivers of various motor vehicles driving in enterprises, docks, freight yards and other production and operation areas and construction sites; 5, climbing erection work. Including erection, demolition and maintenance workers and surface cleaners of high-rise buildings (structures) over 2 meters; 6, boiler operation (including water quality test). Including pressure boiler operators and boiler water quality inspectors; 7, pressure vessel operation. Including pressure vessel canning workers, inspectors, transport escorts and large air compressor operators; 8. Refrigeration operation. Comprise refrigeration equipment installation personnel, operation personnel and maintenance personnel; * 9, blasting operation. Including ground engineering blasting and underground blasting; 10. Mine ventilation operation. Including main fan operators, gas extraction workers, ventilation safety supervisors and wind and dust prevention workers; 1 1, mine drainage operation. Including mine main drainage pump workers and tailings dam workers; 12, mine safety inspection. Including safety inspectors, gas inspectors and explosion-proof inspectors of electrical equipment; 13, mine transportation promotion. Include main lifting operator, (upper and lower) winch operator, fixed belt conveyor operator, signal operator and can (hook) holding operator; 14, excavation (peeling) operation. Comprises a shearer driver, a roadheader driver, a rock rake driver and a rock drill driver; 15, mine rescue operation; 16, dangerous goods handling. Operators, transport escorts, storage and custody personnel containing dangerous chemicals, civil explosives and radioactive substances 17, and other operations approved by the State Council.