| http://www.w3.org/ns/prov#value | - Suitable materials include, but are not limited to, rubber (e.g., ground up tire rubber), polymers such as polyolefins (e.g., various grades of polyethylene, recycled or virgin), fillers (e.g., glass, stone, limestone, talc, mica, cellulosic materials such as wood flour, rice hulls, etc.), asphalt embedded mats, or tile.
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