| http://www.w3.org/ns/prov#value | - Examples of polymeric sheet materials that can be used to provide a perforated water permeable support layer include PVC, polyamide, acrylic, nylon, thermoplastic polyolefins such as polyethylene and polypropylene, polyethylene terephthalate, polybutylene terephthalate and other polyesters, ethylene/styrene copolymers, polycarbonates, and combinations thereof.
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