About: http://webisa.webdatacommons.org/119738319

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	Contamination entangled in the structure is a problem to avoid during construction.
http://www.w3.org/ns/prov#wasQuotedFrom	ferrocement.com