Alternatively, the atomizer comprises two channels respectively comprising {TAIL ~ a fluid emitting nozzle} and {HEAD ~ a treatment emitting nozzle} 
Alternatively , the atomizer comprises two channels respectively comprising { TAIL ~ a fluid emitting nozzle } and { HEAD ~ a treatment emitting nozzle }
OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD