By Jerome Perez,2014-09-27 08:57
Yarns may be classified into four main groups: continuous filament, staple spun yarn,
composite yarn, and plied yarns. A staple-spun yarn is a linear assembly of fibers,
held together, usually by the insertion of twist, to form a continuous strand, small in
cross section but of any specified length; it is used for interlacing in ..