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