To develop, produce, manufacture, treat, process, refine, export, import, purchase, sale and generally to deal in and to act as brokers, agents, stockiest, distributors, suppliers, commission agents of all kinds of cements (whether ordinary, white, coloured, Portland, pozzoolana, alumina, blast, furnaces,silica, sagol or otherwise) cement products of any description, such as asbestos cement, building pipes, irrigation pipes, reinforced cement, cement concrete spun pipes, asbestos cement pressure pipes, fittings, asbestos, cement sheets, poles, slabs, blocks, garden wears, cement boards, mosaic and terrazzo, tiles, ceramic products, allied products, goods, substances, material, articles, things, chemicals, compounds, accessories and appliances connected with the aforesaid product.