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