According to the method, {HEAD ~ the temperature} within {TAIL ~ the chamber} is raised to a predetermined level by energizing the heating elements 
within
According to the method , { HEAD ~ the temperature } within { TAIL ~ the chamber } is raised to a predetermined level by energizing the heating elements
OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH