Non-metallic building materials, namely, modular plastic decking to serve as a ground cover, and modular non-metal structures with flexible covers for agricultural, commercial or industrial storage; non-metallic rigid pipes for building; non-metallic transportable buildings; geotextiles for use in construction, road building, house building, soil stabilization and separation, for drainage and erosion control; geotextiles for use in agriculture, horticulture and forestry; non-metallic building...