Air-operated power tools, namely, impact wrenches, ratchet wrenches, drills, grinders, orbital sanders; Blow torches, namely, gas operated cutting torches; Electric arc welding machines; Machinery for applying coatings ultrasonically to medical and industrial apparatus; Molding and die-casting tools, namely, steel pins, molding presses being machine parts for dies and molds; Polishing machines for use in grinding and polishing metal, wood, ceramics and plastics; Power-operated tools, namely, ...