{HEAD ~ Method} 4, wherein the intensity of the flames is made to depend on {TAIL ~ the distance} of the flames from the surface of the nonwoven 
{ HEAD ~ Method } 4 , wherein the intensity of the flames is made to depend on { TAIL ~ the distance } of the flames from the surface of the nonwoven
HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH