Mining, Quarrying & Construction Machinery Manufacturing

This class covers the manufacture of machinery and equipment for mining, quarrying, and construction. It includes continuous-action elevators and conveyors for underground use, drilling and cutting machines, mineral processing equipment for sorting, crushing, grinding or mixing solid minerals, and concrete and mortar mixers. Also covered are earth-moving machines like bulldozers, graders, scrapers, and excavators, as well as pile-drivers, asphalt spreaders, concrete surface finishers, off-road dump trucks, snow ploughs, and snow blowers.