Building materials (non-metallic); wall tiles, not of metal, for building; bricks; Potters' clay (raw material); marble; building stone; fire burrs; tombstones; building materials; natural and artificial stone; tiles, roof tiles; cement; lime; mortar for building; plaster and gravel; earthenware and cement tubes; road building materials; asphalt; pitch and bitumen; mobile homes; monuments of stone; chimneys; semi-worked timber; building timber; beams; planks; panels; veneers; plywood; building glass; sheets of glass; tiles of glass; non-metallic materials for covering walls of buildings; finishing mortar for walls and for repairing damaged building facings; adhesive cements for pointing walls.;