In one section, {TAIL ~ lithium metal} is pressed directly into contact with the inner surface of {HEAD ~ the casing} 
In one section , { TAIL ~ lithium metal } is pressed directly into contact with the inner surface of { HEAD ~ the casing }
OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD