About: http://webisa.webdatacommons.org/321622670

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	Certified function blocks were available for all safety devices including e-stops, light curtains, safety gates, and monitoring feedback loops.
http://www.w3.org/ns/prov#wasQuotedFrom	robotics.org