About: http://webisa.webdatacommons.org/200384553

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	The chamber(s) can be empty (e.g., void except for air) or they can contain, for example, coating, particles and/or strands having reflective, filtering, electrically conductive and/or thermally conductive properties.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com