More particularly, it relates to {HEAD ~ a method} of forming {TAIL ~ fiber glass mats} containing discrete areas which have different characteristics or properties from the main body of the mat 
of forming
More particularly , it relates to { HEAD ~ a method } of forming { TAIL ~ fiber glass mats } containing discrete areas which have different characteristics or properties from the main body of the mat
OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH