About: http://webisa.webdatacommons.org/198799187

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	Additionally, the sort of material may be important, since e.g. concrete and cement mortar
http://www.w3.org/ns/prov#wasQuotedFrom	vho.org