Building materials, not of metal, namely, membranes for roofs, shuttering for construction; Geotextiles, namely, fabric and sheeting for construction use, nurseries, greenhouses, landscaping, water ponds, landfills and nets for food use, bags for vegetables and fruits; non-metal grilles to demarcate a construction laydown area, a building zone, a pedestrian zone, to regulate traffic, to inform the presence of pipes, pipelines or cables buried underground and railings not of metal for fence, b...