{TAIL ~ Positive terminal} 214 and be coupled to {HEAD ~ a conductive element} 216 and configured to transport the electrons to a location downstream of the electrodes 
{ TAIL ~ Positive terminal } 214 and be coupled to { HEAD ~ a conductive element } 216 and configured to transport the electrons to a location downstream of the electrodes
TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH