FIG 6 shows {HEAD ~ a typical installation detail} for {TAIL ~ second configuration signal device assembly} 20 near the rear end of mailbox 10 
for
FIG 6 shows { HEAD ~ a typical installation detail } for { TAIL ~ second configuration signal device assembly } 20 near the rear end of mailbox 10
OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH