Perform daily checks: air compressors/compressed air (oil levels, filters, dryers), cooling water systems (levels, quality, filtration), and extrusion presses (oil levels/leaks, billet heater, cutoff saw, transfers, stretcher). Diagnose and repair issues across hydraulics, pneumatics, combustion, mechanical systems (bearings, couplings, gear reducers, alignments), and electrical systems (power supplies, processors, PCBs, relay/PLC logic).