About: http://webisa.webdatacommons.org/372821231

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	of chemicals involved such as lime and sodium chloride (rock salt),
http://www.w3.org/ns/prov#wasQuotedFrom	wrights-trainingsite.com