The operator can then take {TAIL ~ the steps} necessary to correct {HEAD ~ the level} of moisture in the chamber 54 
The operator can then take { TAIL ~ the steps } necessary to correct { HEAD ~ the level } of moisture in the chamber 54
OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH