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