Individuals can identify and describe various aluminum alloys, types of problems in aluminum welding, and safety practices. They understand how to prepare weld area and GMAW equipment. They can complete GMAW aluminum plate welding including stringer, weave and overlapping beads, welding terminations, and weld restarts, GMAW fillet welds in 1F, 2F, 3F and 4F positions, and GMAW V-groove welds in 1G, 2G, 3G, and 4G positions.