| http://www.w3.org/ns/prov#value | - Reservoir transducer 37 or pressure transducer 221 can transmit information to local processor 50 to indicate how and when to activate the dispenser 40, or to indicate other parameters determining flow, as well as conditions such as the reservoir 30 being empty or leaking, or the dispensing of too much or too little fluid from the reservoir, etc.
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