As discussed above, the FS/UWA/RO surfaces 201 and 202 may rest upon the users nose 205 where they come together at {TAIL ~ the center front} 214 of {HEAD ~ the users} head 200 
As discussed above , the FS / UWA / RO surfaces 201 and 202 may rest upon the users nose 205 where they come together at { TAIL ~ the center front } 214 of { HEAD ~ the users } head 200
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 TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH