The mist discharge column 196 then moves back along {TAIL ~ the arc} 202 to {HEAD ~ its point} of origin 
The mist discharge column 196 then moves back along { TAIL ~ the arc } 202 to { HEAD ~ its point } of origin
OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH