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