Ability to operate the specific tools used in the area of expertise, including related tools and equipment such as common hand and power tools, hammers, hoists, saws, drills, and wrenches, precision measuring instruments and electrical and electronic testing devices. Assembles, installs and/or repairs: wiring, electrical and electronic components, plumbing/pipe systems, physical structures, fixtures, paint, HVAC systems, locks/access systems, compressors, generators, engines, etc.