About: http://webisa.webdatacommons.org/173265149

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	This is accomplished by first treating the chips or other small pieces of wood with an alkaline sulphite of alkaline metal such as sodium sulphite or potassium sulphite.
http://www.w3.org/ns/prov#wasQuotedFrom	google.es