About: http://webisa.webdatacommons.org/89903231

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	without the risk of either mortar or other ingredients of concrete separating out.
http://www.w3.org/ns/prov#wasQuotedFrom	seminarprojects.org