Section 05 MINERAL PRODUCTS 25 Salt; sulphur; earths and stone; plastering materials, lime and cement 25 17 Pebbles, gravel, broken or crushed stone, of a kind commonly used for concrete a 25 17 10 25 17 10 ** Commodity Code Description 25 17 20 00 00 - Macadam of slag, dross or similar industrial waste, whether or not incorporating the m 25 17 30 00 00 - Tarred macadam 25 17 41 00 00 -- Of marble 25 17 49 00 00 -- Other