... steel, etc. 2. Machining processes: Metal fabrication, machining, welding, forming, shaping, punching, drilling, turning, milling, grinding, ... rolling, stamping, deep drawing, bending, spot or seam welding, spinning, forging, sand casting, die casting, investment casting, ... coating, e-coating, dip coating, phosphate coating, anodize, PVC powder coating, dichromate plating, decrement plating, etc. 4 ...