However, if no drive 14 is provided, {TAIL ~ the rope drum} 18 is equipped with {HEAD ~ a locking device} 24 
However , if no drive 14 is provided , { TAIL ~ the rope drum } 18 is equipped with { HEAD ~ a locking device } 24
OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH