From the above brief discussion of barre problems, we can find that the most important expedient is to maintain and control quality during each process, especially the preparation processes for knitting, such as the tight inspection on the winding process, and the proper control and effective finishing and dyeing methods and technique on the materials. Barriness in nylon also occurs from the presence of physical or chemical irregularities in the yarn. From the dyers' point of view, proper selection of dyestuffs, proper use of dyestuffs, use of levelling agents, high dyeing temperatures, and organic solvents have been suggested to minimise barriness problems.
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