7 Metal working machines and machine tools, namely, turning machines, namely, lathes, milling machines, drilling machines, grinding machines, honing machines, lapping machines, reaming machines, thread casing machines, polygon turning machines, hard turning, rolling machines for rolling metals, floor cleaning machines, namely, burnishing machines, knurling tools, metal sawing machines, broaching machines, shot blasting machines, deburring machines, forging and forming machines, rotary indexing machines, single spindle machines, multi spindle machines, rotary transfer machines, production milling machines, chucking machines, broaching machines, gear cutting machines, hardening machines for treatment of metal parts, and finishing machines; parts of machines and machine tools as well as of motors and engines, namely, oil filter adapters, Tattoo machine parts, namely, armature bars, machine tool holders, collets, engine cases,[ printing plates, ] bushings, internal combustion engine land vehicle parts, namely, distributor caps, cam covers, engine rods, nozzles for particle blast cleaning machines, bearing inserts, bearing housings, hoods, chucking fixtures for modular interfaces and separating locations formed as hollow shafts, fuel injectors, cam sprockets, core drilling bits, vehicle engine parts, namely, rocker arms, engine cylinder heads, ball valves being parts of machines, bearings for transmission shafts, being parts of machines, bearing blocks, tapered gibs, [ rivet guns, ] fuel pumps for land vehicles, wheels being parts of machines, piston rings, pips machine, roller bearings for machines, distributor rotors, shafts for pumps, multi-purpose high pressure washers, motorized door locks, strikers in the nature of part of a mechanical device that strikes something, worms worm gears, lawn and [ garden trimmer spools, ] high frequency motor spindles with high frequency electric converters and power supply units, extension bars for power tools, hydraulic valve actuators, [ machine pins, namely, dowel, taper, clevis, and cotter pins, spark plugs, ] radial plunger machines, ball valves being parts of machines, distributors for vehicles, shaft couplings for machines, transmission gears for machines, pivots, engine cylinders for vehicles, and valve sets composed of poppets; whirled and ground ball screw assemblies and structural parts thereof; couplings for machines, power transmissions and gearing for machines as well as components and parts thereof