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