About: http://webisa.webdatacommons.org/62171078

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	Prevention of chemical tarnishing is achieved by using barriers such as lacquers to prevent the reactive chemical species contacting the silver.
http://www.w3.org/ns/prov#wasQuotedFrom	vam.ac.uk