The floating hard body tube cleaning elements are removed from {TAIL ~ the water} flowing through {HEAD ~ a cooling tower distribution header} and recovery from a modified distribution header vent 
The floating hard body tube cleaning elements are removed from { TAIL ~ the water } flowing through { HEAD ~ a cooling tower distribution header } and recovery from a modified distribution header vent
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH