About: http://webisa.webdatacommons.org/340323454

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	(3) Composition.-Carbon and other resistance material molded at high heat and sealed into insulating compound.
http://www.w3.org/ns/prov#wasQuotedFrom	maritime.org