Plywood; building materials, namely, fire and blast-resistant doors comprised primarily of reinforced cement and also including steel elements; building timber; wood, semi-worked; floors, not of metal; staircases, not of metal; ceilings, not of metal; non-metallic reinforcements for concrete and wood building construction, namely, plates, rods and bars; building glass; parquet flooring; veneer wood; bamboo flooring; hardwood flooring; fiberboard; laths, not of metal; multilayer panels of plastic for use in building