Plumber- they install and repair pipes, fixtures and other plumbing equipment. They work on plumbing systems in all kinds of buildings from residences to factories, offices and hospitals. Salary $37,000

Carpenter- work mainly with wood though they are also capable of using wood substitutes such as plywood, drywall, plaster or tiles. They may design and cut building components, or they may be required to install prefabricated structures such as window frames, doors or shelves. Salary $32,000-$37,000

Power System Operator- monitor and operate equipment on transmission lines and in transformer and power generating stations. Salary $45,000-$52,000