demodulating {TAIL ~ the modulated signal} supplied to {HEAD ~ the second electrode} in the second liquid container 
demodulating { TAIL ~ the modulated signal } supplied to { HEAD ~ the second electrode } in the second liquid container
OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH