In a method of the present invention, {HEAD ~ the ozonated water} produced and supplied by the ozonated water producing unit is preferred to have {TAIL ~ a concentration} of not less than 10 ppm 
is preferred to have
In a method of the present invention , { HEAD ~ the ozonated water } produced and supplied by the ozonated water producing unit is preferred to have { TAIL ~ a concentration } of not less than 10 ppm
OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH REL REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH