About: http://webisa.webdatacommons.org/108871735

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	A disk 616 (e.g., made from a material such as cork or plastic) is placed on the rim of the hollow region 612, so that the parachute
http://www.w3.org/ns/prov#wasQuotedFrom	freepatentsonline.com