5 waghingF The amount of weight that sik loses in the degumming process is an apprecabe factor inmanufactunng costs because the manufacturer buys sik by weght. The weghing of sk fabric with metalic substances to make up for the weight lost by degumming is an accepted inthe sik industry weighted sk however loses the natural elasticity of practice the sk fber and is subject to deterioration when exposed to sunight perspiration and dry cleaning. 6. Noi sakc The shorter waste fibers in the form of comber nos from spun sik processing are spun into coarser irregular, neppy yams usng the woolen spinning system. Also known as Bourne Sik