Fitter is an assembling structural framework vocational trade. The duration of trade is two years only .
Electricianis an assembling structural framework vocational trade. The duration of trade is two years only .
A machinist is a person who uses machine tools to make or modify parts, primarily metal parts, a process known …
A welder or welder operator is a tradesperson who specializes in welding materials together. The term welder refers to the …
Plumber is an assembling structural framework vocational trade. The duration of trade is one year only.