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.
Fusion Welding. Metal parts are joined by applying enough heat to the ends of the metal to melt the surfaces so that the molten (metal) parts flow together, leaving a single, solid piece of metal when cool. Three types of welding often employed on aircraft parts are. - Oxyacetylene Welding (Gas Welding) - Electric-Arc Welding.