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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	Abutments 252, 254 may be injection molded out of plastic or made of another material such as wood or metal.Top abutment 252 on a forward side of the X-shaped structure 42, with respect to the inside location 64.
http://www.w3.org/ns/prov#wasQuotedFrom	freepatentsonline.com