About: http://webisa.webdatacommons.org/149364766

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	In fact, there was a lot of disagreement, although some coatings may interfere with the passage of UV???so may sodium or iron in the glass.
http://www.w3.org/ns/prov#wasQuotedFrom	aopa.org