Manufacture of machinery for mining, quarrying and construction
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
manufacture of continuous-action elevators and conveyors for underground use
Pembuatan mesin untuk perlombongan, pengkuarian dan pembinaan