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.
When deciding which welding process works best in your application, consider base material type, base material thickness, and welding position. As a rule of thumb, use GTAW for the most consistent joining results for materials thinner than 0.040 in. For thicker materials, GMAW usually is a more economical process.