About: http://webisa.webdatacommons.org/60793437

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	I can only speculate at this point but charging a chamber wall at just one end mostly likely would not make it flex throughout it is entire length, which I suspect chamber walls do.
http://www.w3.org/ns/prov#wasQuotedFrom	luminous-landscape.com