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.
Different Types of Welding... 1  TIG, Stick , Mig make up most of it. 2  The video below is an example of tig welding. 3  video shows example of both tig and stick welding with one small welding machine. 4  mig welding video. 5  overview of different types of welding. 6  stick welding certification test tips.