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