Machine shop: general, CNC, NC & contract machining, arc & gas welding, centerless, CNC, OD, ID, cylindrical & surface grinding, drilling, boring, Gaseous fuels and additives, Fuel additives, Oil strainers, Piston rings, Push rod tubes, Rocker arm balls, Rocker arm shafts, Rocker arms, Spark plugs, Carburetor jet, Carburetor diaphragms, Oil pan, Pistons, Timing chain