About: http://webisa.webdatacommons.org/68264064

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 subject section requires nonmetallic rotating parts, such as belts and fans, to be provided with a means to prevent an accumulation of static electricity.
http://www.w3.org/ns/prov#wasQuotedFrom	msha.gov