Inspect structures using engineering skills to determine structural soundness and compliance with specifications, building codes, and other regulations. Their inspections may be general in nature or may be limited to a specific area, such as electrical systems or plumbing.

Help roofers by performing duties requiring less skill. Their duties include using, supplying or holding materials or tools, and cleaning work area and equipment.

Help plumbers, pipefitters, steamfitters, or pipelayers by performing duties requiring less skill. Their duties include using, supplying or holding materials or tools, and cleaning work area and equipment.

Help painters, paperhangers, plasterers, or stucco masons by performing duties requiring less skill. Their duties include using, supplying or holding materials or tools, and cleaning work area and equipment.

Help electricians by performing duties requiring less skill. Their duties include using, supplying or holding materials or tools, and cleaning work area and equipment.

Help carpenters by performing duties requiring less skill. Their duties include using, supplying or holding materials or tools, and cleaning work area and equipment.

Help brick, block and stone masons, or tile and marble setters by performing duties requiring less skill. Their duties include using, supplying or holding materials or tools, and cleaning work area and equipment.

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.

Raise, place, and unite iron or steel girders, columns, and other structural members to form completed structures or structural frameworks. They erect metal storage tanks and assemble prefabricated metal buildings.

Fabricate, assemble, install, and repair sheet metal products and equipment, such as ducts, control boxes, drainpipes, and furnace casings. They set up and operate fabricating machines to cut, bend, and straighten sheet metal. They use hammers to shape metal over anvils or blocks. They operate welding equipment to join, fix and smooth burred surfaces.