Skill Type 0 (zero) – management jobs.
examples: restaurant managers, mine managers, shore captains (fishing)
Skill Level A — professional jobs. People usually need a degree from a university for these jobs.
examples: doctors, dentists, architects
Skill Level B — technical jobs and skilled trades. People usually need a college diploma or to train as an apprentice to do these jobs.
examples: chefs, electricians, plumbers