About: http://webisa.webdatacommons.org/6574339

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	Industrial glass can contain lead, aluminum, and other nasty stuff that will slowly leach from the glass.
http://www.w3.org/ns/prov#wasQuotedFrom	sparkfun.com