This set up procedure will result in the spring region 24 being heated to a temperature between {HEAD ~ about 600° 900° F.} during {TAIL ~ the exposure period} 
during
This set up procedure will result in the spring region 24 being heated to a temperature between { HEAD ~ about 600 ° 900 ° F. } during { TAIL ~ the exposure period }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL