4. Filamentous yarns are preferred as warps 4. Spun yarns are used 5. Yarns are stronger 5. Weaker yarns can also be used 6. Twist is more and yarns per inch is also 6. Twist and yarns per inch is less.

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.