About: http://webisa.webdatacommons.org/21807575

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 mold 20 is formed from wood or other material to define a mold interior 22 for receiving the stack of hardened structures 14 and steel channel 16.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com