Match List-I with List-II (Purpose):
| Process | Purpose | |
|---|---|---|
| A. Carbonising | → | To remove vegetable impurities from protein fibres |
| B. Singeing | → | To burn out protruding fibre ends for producing a smooth fabric surface |
| C. Tentering | → | To stretch the fabric and set its final dimensions |
| D. Beetling | → | To increase lustre of cotton and linen fabrics |