{HEAD ~ Water} from {TAIL ~ the pool} of water in the indoor institution is filtered and transferred to the sterilizing chamber 
from
{ HEAD ~ Water } from { TAIL ~ the pool } of water in the indoor institution is filtered and transferred to the sterilizing chamber
HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH