About: http://webisa.webdatacommons.org/77141882

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	Preferably, the shell is made of nylon or a similarly strong synthetic material, but may also be made from cloth, leather or other materials known in the art.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com