About: http://webisa.webdatacommons.org/3036075

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	After the size and types of materials have been determined, the barrier sheets forming the top layer, bottom layer and sidewalls are shaped using well known cutting or forming techniques.
http://www.w3.org/ns/prov#wasQuotedFrom	google.co.uk