Chemical products for use in industry, science and photography; chemical products included in class 1 for use in agriculture, horticulture, forestry; and kaolinitic clays

Ball clays, cement for building, lime (not for agricultural or horticultural purposes), mortar, plaster, gravel, asphalt, pitch, bitumen, wood and articles included in class 19 made from any of the aforesaid material; articles included in class 19 made of wood pulp, cork, horn, rock, wool, kaolinitic clays and of alumino silicates; non-metallic road making materials, timber, concrete and refractory materials included in class 19