About: http://webisa.webdatacommons.org/401326858

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	They are also used to examine surfaces of fired ceramics for cracks, chips, spots, interfaces and other properties.
http://www.w3.org/ns/prov#wasQuotedFrom	globalspec.com