About: http://webisa.webdatacommons.org/366149802

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	Isolation is poor and they leak quite a bit at higher volumes would not use them on the bus and especially not on planes or the subway.
http://www.w3.org/ns/prov#wasQuotedFrom	head-fi.org