About: http://webisa.webdatacommons.org/269762379

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	Because safety and machine control are already integrated inside safety controllers, engineers use software to configure the gate switches, light curtains and other safety devices connected to them.
http://www.w3.org/ns/prov#wasQuotedFrom	automationworld.com