Each cell has a positive terminal and a negative terminal, {HEAD ~ each terminal} comprising a threaded post extending outwardly from {TAIL ~ the casing} 
Each cell has a positive terminal and a negative terminal , { HEAD ~ each terminal } comprising a threaded post extending outwardly from { TAIL ~ the casing }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL