Only teak has been divided into three classes, whereas others are classified into two classes only, viz., first class and second class.
1. First-class Deodar
No individual ‘hard and sound knot’ shall be more than 25 mm in diameter. The total area of live knots shall not exceed 1% of the area of the piece. The wood should be free of sapwood.
2. Second-class Deodar
No individual ‘hard and sound knot’ shall be more than 40 mm in diameter. The total area of all the knots in the piece should not exceed 1.5% of the area of the piece. The wood should be free from sapwood. However, traces of sapwood are allowed.
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