About: http://webisa.webdatacommons.org/425944523

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	The user therefore immediately knows to which position the rotary knob must be turned back if the valve had previously been turned off such as for the purpose of ventilating the room.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com