3. Demerits: Commercial patterns are expensive. Secondly patterns for different types of garments are not readily available in India, and good patterns are especially hard to get. For people 107 whose measurements dont have the same proportions as the standard figure. Commercial patterns do not give fit without some alteration pattern alteration processes are rather complicated and may prove more laborious in practice than drafting pattern based on rarely be used more than once unless you copy it on to thick paper for further use.

Balanced & Unbalanced Yarns Direction of twist Single, Ply and Cord Yarns Single Yarn Ply Yarn Cord Yarn A single yarn is made A ply yarn is made by Cord yarns are directly from fibers. second twisting operation composed of two or more which combines two or more ply yarns combined for singles. Each part of the yarn is simple cord yarns, the called a ply. The twist is singles used to make the inserted by a machine called ply yarns and the ply yarns twister. The ply yarn is also used to make the cord are known as folded yarn. simple yarns.