Fibers impregnated with synthetic resins for use in manufacture; fibers impregnated with synthetic resins for insulation; synthetic fibers for non-textile uses; semi-processed polymer resins in the form of fibers not for textile use; carbon fiber not for textile use; reinforcing carbon fiber, other than for textile use; glass fiber for insulation; aramid fibers, not for textile use; unidirectional reinforcement fibers arranged in the same direction combined with thermoplastic materials for us...