All collars take on one of these shapes and needs interfacing to stiffen them, and must fit accurately to the neckline. Even slight alteration to the neck edge can throw out the fit of the collar unless these alterations have been allowed for when making up the collar.

(a) 10th (b) 20th (c) 16th (d) 19th 2. Artificial silk is (a) rayon (b) polyester (c) acrylic (d) acetate 3. Nylon is a fabric whose filaments are prepared from (a) melt spinning (b) dry spinning (c) wet spinning (d) blow spinning 4. The main difference between acetate and triacetate is (a) ageing (b) acetone/methyline chloride (c) hydrolysis (d) all of these 5. Polyester is referred as (a) dupont (b) work horse (c) cellulose acetate (d) acrylic Answer in one or two words: 1. Name any two synthetic fibers.