采矿、采石及建筑机械的制造

This class includes: - manufacture of continuous-action elevators and conveyors for underground use - manufacture of boring, cutting, sinking and tunnelling machinery (whether or not for underground use) - manufacture of machinery for treating minerals by screening, sorting, separating, washing, crushing etc. - manufacture of concrete and mortar mixers - manufacture of earth-moving machinery: * bulldozers, angle-dozers, graders, scrapers, levellers, mechanical shovels, shovel loaders etc. - manufacture of pile drivers and pile extractors, mortar spreaders, bitumen spreaders, concrete surfacing machinery etc. - manufacture of tracklaying tractors and tractors used in construction or mining - manufacture of bulldozer and angle-dozer blades - manufacture of off-road dumping trucks

This class excludes: - manufacture of lifting and handling equipment, see 2816 - manufacture of other tractors, see 2821, 2910 - manufacture of machine tools for working stone, including machines for splitting or clearing stone, see 2822 - manufacture of concrete-mixer lorries, see 2910 - manufacture of mining locomotives and mining rail cars, see 3020