Materials for constructing, coating, repairing roads, namely, asphalt, pitch and tar, bitumen, sand, gravel, slag stone, mixtures of sand and sand stones, non-agricultural lime for use in construction, slag-lime cement, gypsum; blocks of concrete, plaster and colored plaster for building purposes, articles of artificial stone for building purposes; shaped building, construction and road construction materials made of concrete, gypsum, earthen, clay, sand, natural stone, artificial stone, wooden, plastic or synthetic materials; building parts, namely doors, floors or windows, buildings, poles and crash barriers not of metal; non-luminous, non-mechanical signs not of metal; monuments of stone, concrete or marble; statues of stone, concrete or marble; natural or synthetic non-metallic surface coatings for building purposes in the form of plates or strips (heat-adhesive); glass blocks for building, glass bricks, glass tiles, glass panes, glass panels for building construction purposes; prefabricated swimming pools not of metal; aquarium sand