About: http://webisa.webdatacommons.org/328199254

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	Crutches can be made of various materials, such as wood, metal, steel, titanium and carbon fiber.
http://www.w3.org/ns/prov#wasQuotedFrom	crutch.com