On a track, the extra boost given by premium can mean a few tenths of a second difference on a lap time. In the real world, it barely affects performance, or fuel economy. Consumer Reports advises that premium should only really be used in your car if your ownerâs manual mandates it.
Tig welding machines. â More specialized than mig welders tig machines are used for precision work and can weld more types of metal than any other process. Metals suitable to tig weld are stainless steel, mild steel, aluminum,copper, bronze, brass, gold, magnesium, chromoly, and nickel alloys.
more on the Different Types of welding... * and then arc welding was invented which was an even more intense heat than a gas torch. * and then TIG welding came along which could pinpoint the heat even more and could make very small and precise welds. * and then plasma arc welding came into use which pinpointed the heat even more than tig welding.