About: http://webisa.webdatacommons.org/52506932

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	Therefore, roller guards should only be used when absolutely necessary. ???Track guards should be used only if there is a need to keep rocks, tree limbs or other non-extrudable material from entering the roller areas,??? advises Koester.
http://www.w3.org/ns/prov#wasQuotedFrom	forconstructionpros.com