Tools being parts of machines, namely, metalworking machine tools; air compressors; pneumatic nail guns; cutting stones for grinders in the nature of abrasive disks for power-operated grinders; electric grinders being power tools; diamond cutting wheels being abrasive disks for power-operated grinders; electric saws; bits for power drills; core drilling bits; cordless electric hand drills; woodworking machines, namely, table saws; wood sawing machines; air hammers; electricity generators; ele...