2. What are the reagents that react to form polyester? 3. Name the process by which nylon is manufactured. 4. How Acetate is properly called? 5. Name the three different methods by which spinning is done.

3. Scalloped collar: Draft collar of 2 to 3 width following the same as peterpan. Modify the shape of the outer edge of collar to scallop. These can be attached in frocks. This will also come under flat collar.