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