About: http://webisa.webdatacommons.org/409966116

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 use of HAC has its limitations, in particular a tendency for the hydrated cement to undergo HAC conversion which may lead to problems caused by loss of strength.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com