Texturizing occurs following the spinning of the fiber material through the spinneret. It may be done immediately following fiber formation and be a part of a continuous operation or it may be done some time after the filaments have been made. There are three types of textured yarns. 1. Bulk textured yarns 2. Stretch textured yarns 3. Set-modified stretch textured yarns.

(a) Ribbon (b) Cord (c) Leather (d) Jute 3. The size of the needle used for hand stitch is. (a) No.12 (b) No.7 (c) No.9 (d) No.5 4. The size of sewing needle used for thin fabric is. (a) No.15 (b) No.16 (c) No.14 (d) No.18 5. How much oil would you apply to each oiling point? (a) 1 drop of oil (b) 2 drops (c) 5 drops (d) Several drops Answer in one or two words: 6. Write notes on upper threading.