7 Machine tools for machining, cutting, coating, and forming, and manufacturing through additive manufacturing and 3D printing of metal work pieces, namely, drilling machines, milling machines, cutting machines, lathe turning machines, lathes and turret lathes, 3D printing machines and parts for the aforesaid goods, namely, chucks for clamping work pieces at machine tools being parts of machines, cutting and milling guide frameworks for machine tools, handles being parts of machine tools, pallet changing devices for machine tools, namely, material handling machines in the nature of automatic pallet dispensing machines and automatic work piece dispensing machines, de-palletizers, work piece locators being parts of machines, namely, work piece slide tables being parts of machine tools, namely, sliding tables specially adapted for use as machine tool parts, pneumatic process control instruments, namely, pneumatic controls for machine tools, pneumatic controls for machine tools, modular couplings for machine tools, namely, modular coupling for machines; special-purpose machine tools, namely, machine tools specially adapted for the drilling, turning, and milling of specific metal work pieces, metal cutting machine tools, milling and grinding machine tools for the treatment of metals and plastics, numerically controlled machining stations consisting primarily of numerically controlled metal working machines with automatic tool changers for boring, milling and cutting operations and incorporating a palletizing material handling system, numerically controlled lathes, numerically positioned universal milling machines, threading machines with numerical positioning, and metal production installations consisting of interlinked machine tools, namely, cutting machines, lathes, milling and boring machines; turntable machines, namely, machine tools for machining work pieces which have round tables which can be turned for holding and turning the work pieces; material handling machines, namely, transfer line tools in the nature of power and manually operated mechanical railed lifting conveyors for use in moving machined work pieces from line to another; metal working machines, namely, machining centers; precision machine tools for working metals and other materials and for machining work pieces with high precision tools, namely, hard metal tools, high speed steel tools, carbide tools, ceramic tools, polycrystalline diamond tools, and diamond-coated and diamond-uncoated tools, all for use in the cutting and forming of materials; assembly machines, namely, assembly line conveyor machines and machines used in assembly systems for handling and assembling work pieces, assembly systems, namely, assembly lines comprised of conveyor machines and a series of manually operated and fully automated material handling machines for handling and assembling work pieces and gantry robots, the aforesaid goods to be used in the manufacture of machines, motors and engines, gear boxes, and other assemblies and parts therefor for use in manufacture, particularly in the automotive industry; flexible manufacturing systems consisting of metal machining centers and automatic machines for handling and transporting work pieces, namely, industrial robots; spindles being parts of machines; motor spindles, namely, high frequency motor spindles with high frequency electric converters and power supply units; work piece carriers and work piece pallets, namely, palletizers and case elevators being parts of material handling machines for conveying work pieces; linear drives for motors; tool exchange systems comprised of machines for handling machine tools, namely, industrial robots, and for cleaning tools, namely, particle blast cleaning machines; hydraulic controls for machine tools