About: http://webisa.webdatacommons.org/167842837

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	Further and not limiting to the invention, the sheets can be of any material, e.g. and not limiting to the invention, wood, metal, plastic, glass and combinations thereof.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com.au