Operate and care for laboratory instruments and shop equipment, including multimeters, oscilloscopes, power supplies, electronic loads, dielectric equipment, data-acquisition systems, torque tools, soldering/rework equipment, drill presses, saws, mills, lathes, 3D printers, and other tools for which trained and authorized. Fabricate, assemble, wire, solder, modify, and rework engineering prototypes, printed circuit board assemblies, cable harnesses, enclosures, mechanisms, fixtures, and test apparatus using drawings, schematics, bills of material, and engineering direction.