Skill Level 1 Fabricate, repair, and modify metallic and nonmetallic parts, utilizing such machines as engine lathes, utility grinders, power cutoff saws, armature undercutters, arbor and hydraulic presses, drill presses and their associated attachments, accessories and tools.
Skill Level 2 Perform duties in preceding skill level, supervises lower grade soldiers, and provides technical guidance to the soldiers in the accomplishment of their duties.
Skill Level 3 Perform duties in preceding skill levels, perform metal workers (MOS91F) duties, supervises lower grade soldiers, and provides technical guidance to the soldiers in the accomplishment of their duties. Inspects completed work.