{HEAD ~ The mixture} of air and ozone is then discharged into the water within the sterilizing chamber in {TAIL ~ the form} of fine bubbles 
{ HEAD ~ The mixture } of air and ozone is then discharged into the water within the sterilizing chamber in { TAIL ~ the form } of fine bubbles
HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH REL OTH REL OTH OTH OTH OTH OTH OTH OTH REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH