适用于棉条、竹节或粗纱等纱线中间体；单纱、股线、缆线；以及线、绳、绳索和绳索。纱线、棉条、竹节和粗纱的捻向用大写字母S和Z表示。捻向用两幅图表示。解释了复合纱线和相关产品的名称。

Applicable to yarn intermediates such as slivers, slubbings or rovings; to single yarns, plied yarns, cabled yarns; and to threads, twine, cordage and rope. The direction of twist in yarns, slivers, slubbings and rovings is indicated by the capital letters S and Z. The directions of twist are described in two figures. Designation of complex yarns and related products is explained.