About: http://webisa.webdatacommons.org/447140887

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	For attaining this floating state, the duct may be made of an electrical insulator such as glass, glass ceramics, alumina or the like.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com