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