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.
MIG vs TIG Welding. MIG and TIG welding are two types of arc welding, using metal electrodes and an inert gas as the shielding from oxidation at high temperatures. Both types of welding are relatively easy to learn, and the welding processes can be performed on all the common materials.