Two surrounding bodies 10 may be separated {TAIL ~ metals} or be connected as a whole metal plate which are folded in {HEAD ~ half} so as to be formed as an upper and a lower surrounding bodies 10, and thus the supporting body 20 can be held between the two surrounding bodies 
Two surrounding bodies 10 may be separated { TAIL ~ metals } or be connected as a whole metal plate which are folded in { HEAD ~ half } so as to be formed as an upper and a lower surrounding bodies 10 , and thus the supporting body 20 can be held between the two surrounding bodies
OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH