About: http://webisa.webdatacommons.org/405686348

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 corrugated layers are made of a light weight material such as aluminum which are stamped and welded together to form the cells.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com