{HEAD ~ A specially constructed multilayer fibre mat} is made up of two cover layers of fibres with a high quality thermosetting plastics impregnation and {TAIL ~ a central layer} of if necessary short fibre wood products with more particularly cheap thermoplastic bonding agent additives 
is made up of
{ HEAD ~ A specially constructed multilayer fibre mat } is made up of two cover layers of fibres with a high quality thermosetting plastics impregnation and { TAIL ~ a central layer } of if necessary short fibre wood products with more particularly cheap thermoplastic bonding agent additives
HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL REL REL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH