{HEAD ~ The steam boiler} operates at a pressure above that needed for consumption in the process chamber and uses {TAIL ~ highly purified water} 
uses
{ HEAD ~ The steam boiler } operates at a pressure above that needed for consumption in the process chamber and uses { TAIL ~ highly purified water }
HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL