About: http://webisa.webdatacommons.org/209007635

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	The 'system' includes bolts, eyes, and other anchor points; cleats, clamps and other objects used to attach to items such as chains, cables, conveyor belts or the come-a-long itself.
http://www.w3.org/ns/prov#wasQuotedFrom	msha.gov