Teachers, parents, and administrators might want to know how well students are reading and writing in general, independent of the specific instructional program. This requires a different type of formal assessment.
GMAW or Gas Metal Arc Welding. More commonly called MIG welding this welding type is the most widely used and perhaps the most easily mastered type of welding for industry and home use. The GMAW process is suitable for fusing mild steel, stainless-steel as well as aluminium. GTAW or Tungsten Inert Gas.
Welding joins pieces of metal by the use of heat, pres-. sure, or both. There are more than 80 different types. of welding and associated processes. Some of the. most common types of welding include: arc welding, which includes âstickâ or shielded metal arc welding. (SMAW), the gas-shielded methods of metal inert gas. (MIG) and tungsten inert gas (TIG), plasma arc weld-.