Once again, discharge of the predetermined composition from a nozzle comprising the mist discharge column 196 occurs simultaneously with {HEAD ~ the movement} thereof back to {TAIL ~ its point} of origin 
back to
Once again , discharge of the predetermined composition from a nozzle comprising the mist discharge column 196 occurs simultaneously with { HEAD ~ the movement } thereof back to { TAIL ~ its point } of origin
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH