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