Computer · Building Materials
Consider the following methods used for the preservation of timber: 1. Pressure application2. Brush application3. Dipping4. Open tank What is the correct sequence of these methods in increasing order of their effectiveness?
- 11, 3, 4, 2
- 23, 4, 2, 1
- 32, 3, 4, 1✓
- 44, 2, 1, 3
Correct answer
2, 3, 4, 1
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