The use of high purity water to produce high pressure steam provides protection to {HEAD ~ the superposed turbine} from fouling and damage, thereby extending both its operating range and {TAIL ~ useful life} 
extending
The use of high purity water to produce high pressure steam provides protection to { HEAD ~ the superposed turbine } from fouling and damage , thereby extending both its operating range and { TAIL ~ useful life }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH REL OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL