Core: Perform routine maintenance, such as inspecting drives, motors, or belts, checking fluid levels, replacing filters, or doing other preventive maintenance actions.

Core: Inspect, operate, or test machinery or equipment to diagnose machine malfunctions.

Core: Adjust functional parts of devices or control instruments, using hand tools, levels, plumb bobs, or straightedges.

Core: Repair machines, equipment, or structures, using tools such as hammers, hoists, saws, drills, wrenches, or equipment such as precision measuring instruments or electrical or electronic testing devices.

Core: Order parts, supplies, or equipment from catalogs or suppliers.

Core: Diagnose mechanical problems and determine how to correct them, checking blueprints, repair manuals, or parts catalogs, as necessary.

Core: Design new equipment to aid in the repair or maintenance of machines, mechanical equipment, or building structures.

Core: Assemble, install, or repair wiring, electrical or electronic components, pipe systems, plumbing, machinery, or equipment.

Core: Clean or lubricate shafts, bearings, gears, or other parts of machinery.

Core: Estimate costs to repair machinery, equipment, or building structures.