{TAIL ~ Infrared radiation} gives {HEAD ~ the best results}, leading to shorter heating time without material degradation 
{ TAIL ~ Infrared radiation } gives { HEAD ~ the best results } , leading to shorter heating time without material degradation
TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH