0510PERTAMBANGAN BATU BARA

coal mining: underground or surface mining, including mining by liquefaction; | cleaning, measuring, grading, crushing, compacting coal for classification, quality improvement, ease of transport or storage. This class also includes | recovery of coal from culm banks. This class excludes | lignite mining, see class 0520; | peat excavation and agglomeration, see class 0892; | coal mining support services, see class 0990; | test drilling for coal mining, see class 0990; | coke ovens for producing solid fuels, see class 1910; | manufacture of coal briquettes, ovoids and similar solid coal fuels, see class 1920; | development or preparation of land for coal mining, see class 4312.