{TAIL ~ The set} of drive gears is mounted on a drive shaft and comprises the gears having different diameters which {HEAD ~ all} rotate together with the drive shaft 
{ TAIL ~ The set } of drive gears is mounted on a drive shaft and comprises the gears having different diameters which { HEAD ~ all } rotate together with the drive shaft
TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH