About: http://webisa.webdatacommons.org/363164660

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	Glass types are usually clear or made opaque with dyes; and Grained types, which are always opaque.
http://www.w3.org/ns/prov#wasQuotedFrom	google.es