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