By category:
Motor vehicle driving in enterprises: forklift driver, loader driver, excavator driver, bulldozer driver and roller driver.
Electrician industry: electrician installation, maintenance, duty, high-voltage network installation, maintenance and operation.
Metal welding and cutting: gas welding, argon arc welding, CO2 gas shielded welding, submerged arc welding and ion welding.
Aerial work: scaffolder, climbing erection, climbing operation,
Starting from work: gantry crane driver, cantilever crane driver, sitting crane driver,
Mobile crane driver
Machinery industry: mechanical installation, mechanical operation.
There are usually so many routines.