About: http://webisa.webdatacommons.org/118748709

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 medium may also be substantially free of phosphates, particularly phosphates of other metals such as zinc, iron, and other metals typically used in phosphating pretreatment processes.
http://www.w3.org/ns/prov#wasQuotedFrom	google.fr