Non-metal building materials, namely, timber manufactured, wood for making household utensils, veneer wood, moldable wood; stained-glass windows; gates not of metal; folding doors not of metal; door boxes and frames; prefabricated summer houses; non metallic door filets; wood panels, namely, walls, floors, ceilings, roofing; wooden panels, sheathings, slats and strips for wall sheathing; thin construction boards; boards for walkways and floors; plywood; moldable, partially treated hand-made w...