Trueing machines; sheets and plates of metal; metalworking machines; compression, extrusion and injection moulding machines; cowlings being parts of machines; 3D printers; cutting machine; concrete finishing machines; paper trimming machines for commercial or industrial use; gear cutters; machine parts, namely, molds for use in the manufacture of vehicles; handling apparatus for loading and unloading, namely, loading and unloading machines; Electric polishing apparatus and machines, namely, power-operated polishers; electroplating machines; electric welding machines