About: http://webisa.webdatacommons.org/169107254

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	S is the bakelite material code, which in this case is a mixture of phenol, formaldehyde and a sawdust filler.
http://www.w3.org/ns/prov#wasQuotedFrom	morsemad.com