<http://webisa.webdatacommons.org/422907991>	<http://www.w3.org/ns/prov#value>	"The controller, monitoring sensor amplifiers 251, 254, 255, and 259 may provide feedback to the operator by means of visual indicators or displays, audio signals, or other means." .
<http://webisa.webdatacommons.org/422907991>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/422907991>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.ca> .
<http://webisa.webdatacommons.org/prov/116010445>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/422907991> .
<http://webisa.webdatacommons.org/prov/32931763>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/422907991> .