Section 05 MINERAL PRODUCTS 25 SALT;SULPHUR;EARTHS AND STONE;PLASTERING MINERALS, LIME AND CEMENT 25 18 RECTANGULAR (INCLUDING SQUARE)SHAPE; DOLOMITE RAMMING MIX. 25 18 30 DOLOMITE RAMMING MIX Commodity Code Description 25 18 30 00 DOLOMITE RAMMING MIX