Install, dismantle, or move machinery and heavy equipment according to layout plans, blueprints, or other drawings.

Replace or repair broken windshields and window glass in motor vehicles.

Install, program, maintain, or repair security or fire alarm wiring and equipment. They ensure that work is in accordance with relevant codes.

Install or repair solar energy systems designed to collect, store, and circulate solar heated water for residential, commercial or industrial use.

Assemble, install, or maintain solar photovoltaic (pv) systems on roofs or other structures in compliance with site assessment and schematics. They include measuring, cutting, assembling, and bolting structural framing and solar modules. They perform minor electrical work such as current checks.