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