About: http://webisa.webdatacommons.org/135873487

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	The rigid deck 30 can be made of various materials including plywood, fiberglass, natural wood, tongue and groove flooring and polypropylene.
http://www.w3.org/ns/prov#wasQuotedFrom	freepatentsonline.com