About: http://webisa.webdatacommons.org/131984860

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 block-out 400 typically is constructed from plastic materials such as polyethylene, and may include a blend of new and recycled materials.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com