Unattached, or one-ply,
abric producer are lone strands composed of fibres held together by at least a undersized amount of change; or of filaments grouped together either with or without intertwine; or of narrow strips of stuff; or of put spurious filaments extruded in enough thickness instead of use unattended as story (monofilaments). One yarns of the spun classification, composed of multifarious short fibres, instruct twist to restrain them together and may be made with either S-twist or Z-twist. Separate yarns are used to borrow the greatest variety of fabrics.