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