About: http://webisa.webdatacommons.org/73535545

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	several problems associated with them, these tubes are the most common device
http://www.w3.org/ns/prov#wasQuotedFrom	dot.gov