About: http://webisa.webdatacommons.org/29819554

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 earlier days, the pellets were mostly made of lead, using a process we described previously, because lead is cheap, easily formed and widely available.
http://www.w3.org/ns/prov#wasQuotedFrom	blogspot.com