| http://www.w3.org/ns/prov#value | - he reservoir onto the livestock; a liquid pump liquidly connected to both the reservoir and the dispenser; a computer for controlling the transducer; and a hand-held switch unit that is liquidly coupled to the pump and the dispenser, and electrically coupled to the transducer and the computer, the switch unit including a liquid switch for actuating the pump, a transducer switch for actuating the t
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