The disclosed method and {HEAD ~ apparatus} simultaneously purifies {TAIL ~ air} and water contained in an indoor institution such as an indoor swimming pool facility 
simultaneously purifies
The disclosed method and { HEAD ~ apparatus } simultaneously purifies { TAIL ~ air } and water contained in an indoor institution such as an indoor swimming pool facility
OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH