For this purpose {TAIL ~ an adjustable stop} 36 is mounted on {HEAD ~ the fixed carrier} 18  
For this purpose { TAIL ~ an adjustable stop } 36 is mounted on { HEAD ~ the fixed carrier } 18
OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH