Lenses for welding helmets

[ Abrasive wheels for power-operated grinders; ] Air-operated power tools, namely, impact wrenches, ratchet wrenches, drills, grinders and orbital sanders; Air powered tools, namely, drills, screwdrivers, rivet hammers and saws; [ Cutting machines; ] Drill chucks for power drills; Drilling machines and parts therefor; [ Electric motors for power tools; Electric pumps; Electric sanders; Machine for repair, polishing, buffing and scratch removal on optical discs, CDs, DVDs; Machine parts, namel...