When the decomposition of ozone in the storage tank is taken into account, however, it is preferable to have the storage tank incorporated in the apparatus for {TAIL ~ the ozonated water production} and enabled therein to maintain {HEAD ~ the concentration} 
When the decomposition of ozone in the storage tank is taken into account , however , it is preferable to have the storage tank incorporated in the apparatus for { TAIL ~ the ozonated water production } and enabled therein to maintain { HEAD ~ the concentration }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD