soldering, table, man, glass, hobby, engineer, working, holding, repair, hand, engineering, device, specialist, testing, checking, details, scientific, professional, tool, welding, work, screwdriver, making, test, process, electric, professional occupation, innovation, installation, closeup, assembling, hands, service, components, fixing, electronics, engineer, appliance, mechanism, maintenance, guy, setup, circuit, electronic, preparation, technician, board, equipment, magnifying glass, micro, control