About: http://webisa.webdatacommons.org/23096914

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 products which cannot be hardened may be converted into those which can be hardened by, for instance, particularly formaldehyde or an agent yielding aldehyde.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com