About: http://webisa.webdatacommons.org/247320001

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	Guards, shields, or other protective devices should be installed to protect persons from flying or falling material from screens, crushers, and conveyor belts.
http://www.w3.org/ns/prov#wasQuotedFrom	msha.gov