wherein {HEAD ~ the continuous fibers} for forming the windings of the layers are enclosed by {TAIL ~ a matrix} made of a thermosetting plastics material or a matrix made of a thermoplastic polymer, and 
are enclosed by
wherein { HEAD ~ the continuous fibers } for forming the windings of the layers are enclosed by { TAIL ~ a matrix } made of a thermosetting plastics material or a matrix made of a thermoplastic polymer , and
OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH