The edge binding is subjected to heat in order to melt {HEAD ~ the thermoplastic outer covering} of {TAIL ~ the first yarn}, thereby joining the first and second yarns at the crossover points 
The edge binding is subjected to heat in order to melt { HEAD ~ the thermoplastic outer covering } of { TAIL ~ the first yarn } , thereby joining the first and second yarns at the crossover points
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH