MINERAL PRODUCTS
25 Salt; sulfur; earths and stone; plaster, lime and cement. 26 Ores in general and by-products, slag, mineral briquettes and ash. 27 Mineral fuels, petroleum, mineral coal, natural gas, mineral oils and products of distillation, bituminous materials and mineral waxes. 27.1 Other products not specified and/or outside the list with firm consultation.
