In such a case, the nosepiece assembly 14Q may have {HEAD ~ a U shape} and may be secured to the bridge 18 by, for example, {TAIL ~ adhesive} 
In such a case , the nosepiece assembly 14Q may have { HEAD ~ a U shape } and may be secured to the bridge 18 by , for example , { TAIL ~ adhesive }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL