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