Manufacture of articles of concrete, cement and plaster

This class includes: - manufacture of building materials of vegetable substances (wood wool, straw, reeds, rushes) agglomerated with cement, plaster or other mineral binder - manufacture of articles of asbestos-cement or cellulose fibre-cement or the like: • corrugated sheets, other sheets, panels, tiles, tubes, pipes, reservoirs, troughs, basins, sinks, jars, furniture, window frames etc.