Give the correct sequence of making woolen felts.
1. Layering of wool fibers.
2. Cleaning, blending and carding of wool fibers.
3. Beating, compressing and squeezing the web.
4. Application of heat and moisture.
5. Imparting required finish to the felt.
6. Scouring, rinsing and drying.

A. 1, 2, 3, 4, 6 and 5

B. 2, 1, 4, 3, 5 and 6

C. 3, 4, 2, 1, 5 and 6

D. 2, 1, 4, 3, 6 and 5

Answer: Option D