building materials, namely natural and artificial stones, portland cement, lime, mortar, plaster and gravel; non-metallic gutter and drain pipes; asphalt, pitch, bitumen; portable non-metallic buildings; paving and ceramic tiles

BUILDING MATERIALS, NAMELY, NATURAL AND ARTIFICIAL STONE, CEMENT, LIME, MORTAR, PLASTER AND GRAVEL; [ PIPES OF EARTHENWARE OR CEMENT; ASPHALT, PITCH AND BITUMEN; PORTABLE BUILDINGS; STONE MONUMENTS; CHIMNEY POTS; ] TILES USED FOR COVERING PAVEMENTS, FLOORS AND WALLS