About: http://webisa.webdatacommons.org/269501574

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	Lead glass tubes that measure approximately 8-15 mm in diameter are heated in portions using many kinds of burners.
http://www.w3.org/ns/prov#wasQuotedFrom	brightneonsigns.com