3.4.1 Manufacturing: Nylon 6, 6 is a linear condensation polymer made from hexamethylene diamine and adipic acid. Specific amounts of the two chemicals are combined in solution to form nylon salt. This salt is purified, polymerized, extruded in ribbon form, and chipped into small flakes or pellets. These flakes or pellets are melted and extruded through a spinneret into cool air and the nylon filaments are formed.

5. Which is a drawn thread work? 6. Classify basic stitches. 7. Give the uses of French Knot. 8. Give the other name for Chickan work. 9. Which stitch is worked between double line? 10. Which stitch is used to fill small spaces? 11. Which stitch is otherwise called single satin stitch? 12. Give the meaning of Kasuti.