What are the mechanisms?

Technicians can be roughly divided into these three categories: 1, welders, car drivers, Chinese chefs, Chinese pastry chefs, western chefs and western pastry chefs. 2. Turning workers, milling workers, grinding workers, boring workers, casting workers, forging workers, metal heat treatment workers, cold-working sheet metal workers, assembly fitters, tool fitters, boiler equipment assemblers, machine fitters, automobile maintenance workers, motorcycle maintenance workers, boiler equipment installers, maintenance electricians, computer maintenance workers, manual carpenters, joinery workers, Andhadhun, decorators, etc. 3. Salespeople, salesmen, bartenders, nutrition caterers, restaurant waiters, front desk waiters, room attendants, health care massage therapist, career guidance, property managers, beauticians, hairdressers, photographers, nurses, domestic helpers, elderly caregivers, fashion designers, secretaries and customs officers.