When the moisture content within {HEAD ~ the chamber} 54 reaches {TAIL ~ a predetermined level}, the controller 62 can provide a signal to alert an operator 
When the moisture content within { HEAD ~ the chamber } 54 reaches { TAIL ~ a predetermined level } , the controller 62 can provide a signal to alert an operator
OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH