About: http://webisa.webdatacommons.org/399384634

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	If an oil or other liquid is used for these purposes, the capillary action of the grooves makes cleaning difficult.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com