A professional who assembles metal products, such as vacuum cleaners, valves, or hydraulic cylinders, partially or completely, working at bench or on shop floor. Responsibilities include:

• Positions parts according to knowledge of unit being assembled or following blueprints.
• Fastens parts together with bolts, screws, speed clips, rivets, or other fasteners, using handtools and portable powered tools.
• May remove small quantities of metal with hand files and scrapers to produce close fit between parts.
• May operate drill presses, punch presses, or riveting machines to assist in assembly operation.
• May disassemble power brake boosters, air-brake compressors, and valves for salvage of parts and be designated product disassembler.
• May assemble and test patient lifting devices and be designated patient lifting device assembler.
• Usually specializes in assembly of one type of product.