One kind is: welder, car driver, Chinese chef, Chinese pastry chef, western chef and western pastry chef.

The second category is: lathe workers, milling workers, grinder workers, boring workers, foundry workers, forging workers, metal heat treatment workers, cold-working sheet metal workers, assembly fitters, tool fitters, boiler equipment assemblers, machine fitters, auto mechanics, motorcycle mechanics, boiler equipment installers, maintenance electricians, computer mechanics, manual carpenters, joiners, audio Andhadhun, and decorators.

It is divided into three categories: salespersons, salesmen, bartenders, nutrition caterers, restaurant waiters, front desk waiters, room attendants, health care massage therapist, professional lecturers, property managers, beauticians, hairdressers, photographers, nurses, domestic helpers, elderly caregivers, costume designers, secretaries and customs declarers.