Preferably, {HEAD ~ a short timing period device} is incorporated electrically intermediate {TAIL ~ the time clock} and the pump to permit control of each dosage cycle to a matter of a predetermined number of seconds even if the time clock is incapable of such fine control 
is incorporated electrically intermediate
Preferably , { HEAD ~ a short timing period device } is incorporated electrically intermediate { TAIL ~ the time clock } and the pump to permit control of each dosage cycle to a matter of a predetermined number of seconds even if the time clock is incapable of such fine control
OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH