About: http://webisa.webdatacommons.org/99038769

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	Shell material 16 is preferably formed of concrete or cement or other cement-like material such as a hard plastic or resin.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com