{TAIL ~ The size} of the chambers 12 17 and the timing of the applied voltage determine {HEAD ~ the capacity} of the pump 
{ TAIL ~ The size } of the chambers 12 17 and the timing of the applied voltage determine { HEAD ~ the capacity } of the pump
TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH