1. Cellulose

2. Hemicellulose

3. Pectin

4. Lignin থাকার কারণে

1. 1-10

2. 0-10

3. 1-5

4. 0-5

1. Drawing

2. Combing

3. Ring

4. Winding

1. HNO^3

2. H^3PO^4

3. CH3-COOH

4. HCOOH