About: http://webisa.webdatacommons.org/106135108

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	Found some YouTube examples of home made ones ( old lpg cylinders ).
http://www.w3.org/ns/prov#wasQuotedFrom	singletrackworld.com