{TAIL ~ Optimum IR element settings} are {HEAD ~ a compromise} between heating time, through thickness temperature distribution and polymer degradation 
{ TAIL ~ Optimum IR element settings } are { HEAD ~ a compromise } between heating time , through thickness temperature distribution and polymer degradation
TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH