a. Lengthwise centre fold: Here the fabric is folded down the middle parallel to the selvedge so that the selvedges come together. This is the most frequently used fold. The layout for a simple frock on this type of fold is illustrated in the figure.
5. It has good wrinkle resistance. 6. Finer yarns with high twist are used in constructionof twill weaves. 7. Denim is an uneven warp faced twill weave fabrics. Wefts are in white and warps are in blue so denim is blue on one side and white from the other side.