Machine shop: arc, gas, MIG & TIG welding, general machining, drilling, boring, lathe & mill work Gaseous fuels and additives, Fuel additives, X2CrNi19-11or 304L stainless steel alloy, X5CrNiMo17-12-2 or 316 stainless steel alloy, High speed steels, Nickel based super alloys, Titanium based super alloys, Aluminum based alloys, Cobalt based super alloys