Consider the following methods of preservation of timber : 1. Dipping 2. Brushing or spraying 3. Pressure impregnation The correct sequence in decreasing order of the effectiveness of these methods of preservation is
Options
A. 1, 2, 3
B. 2, 1, 3
C. 3, 1, 2
D. 3, 2, 1
Correct Answer
3, 2, 1
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