Broaches being machine tools; Cemented carbide cutting tools; Centering drilling bits being parts of machines; Chucks for power drills; Circular saws; Cutting machines; Electric drills; Electric wax-polishing machines for industrial purposes; Glaziers' diamonds being parts of machines; Machine parts, namely, blades; Machine parts, namely, grindstones; Nut-tapping machines; Pneumatic drills; Pneumatic piercing machinery and auxiliary supportive devices used in the installation or replacement o...