About: http://webisa.webdatacommons.org/175765632

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	As is known to those skilled in the art, layer 30 can be constructed from many resilient or elastic materials such as a polyurethane foam or gel.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com