About: http://webisa.webdatacommons.org/248337379

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	At each end, there are enclosed carbon or stainless-steel spiral that such applications as aggregates, sand, housings.
http://www.w3.org/ns/prov#wasQuotedFrom	slideshare.net