Metalworking machines; conveyors being machines; electric motors, not for land vehicles; machine wheelwork; speed governors for machines, engines and motors; pressure regulators being parts of machines; machine parts, namely, bearings; heat exchangers being parts of machines; transmission mechanisms, other than for land vehicles; dust exhausting installations for cleaning purposes; riveting machines; compressed air guns for the extrusion of mastics; screwdrivers, electric; machines parts, nam...