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