About: http://webisa.webdatacommons.org/319037215

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	As a result, there is a problem in that fine roughness remains on the surface, which can be seen as kind of stain.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com