Work around oils, grease, noise, solvents, dust, metal particles, sparks, coolant, and sharp edges; PPE such as safety glasses, dust masks, ear plugs, and cut‑ or chemical‑resistant gloves, plus engineering controls, may be required. Lead setups and production on Swiss machines (Citizen, Tsugami), Index multi‑spindles, and 3‑/4‑/5‑axis platforms, including RoboDrills, mill‑turns, and H/V mills.