About: http://webisa.webdatacommons.org/327319845

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	These systems can set off warning lights or even stop equipment from moving when it gets close to personnel or other equipment.
http://www.w3.org/ns/prov#wasQuotedFrom	scienceblogs.com