compressing the fibrous material to a mat fleece {HEAD ~ whose entire surface} is connected to the foamable adhesive to form {TAIL ~ a composite mat} 
compressing the fibrous material to a mat fleece { HEAD ~ whose entire surface } is connected to the foamable adhesive to form { TAIL ~ a composite mat }
OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL