Preferably, the back plate portion 16 is attached to {HEAD ~ the pole} 1 by making {TAIL ~ use} of a nail 20 so that the head of the nail 20 is hidden behind a building board 
by making
Preferably , the back plate portion 16 is attached to { HEAD ~ the pole } 1 by making { TAIL ~ use } of a nail 20 so that the head of the nail 20 is hidden behind a building board
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH REL REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH