Door frames, not of metal; window frames, not of metal; asbestos cement; asphalt; beams, not of metal; balustrades, not of metal; swimming pools [structures], not of metal; arbours [structures], not of metal; concrete; plastic landscape edgings; joists, not of metal; building paper; busts of stone, concrete or marble; stained-glass windows; gates, not of metal; gypsum; plaster; granite; armoured doors, not of metal; doors, not of metal; folding doors, not of metal; prefabricated houses [kits]...