About: http://webisa.webdatacommons.org/442496479

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	Despite utility of lead-based glass frit seal materials, there can be advantages to using a glass frit seal material that does not contain lead, in particular for health and safety reasons.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com