After discharge from the cyclone, {HEAD ~ the air} is mixed and sterilized with {TAIL ~ ozone gas} 
is sterilized with
After discharge from the cyclone , { HEAD ~ the air } is mixed and sterilized with { TAIL ~ ozone gas }
OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL OTH OTH REL REL TAIL TAIL TAIL TAIL TAIL TAIL