10
The use of stem tightener is to prevent
EXPLANATION
Timber Seasoning, Wood Preservation , Composi
- Stem Tightener in Forest Harvesting:
- mechanical or hydraulic safety logging clamp strapped firmly around the basal trunk of high-value timber trees prior to making the felling notch and back cut.
- Primary Purpose: Prevents premature splitting / barbers-chair splintering of the stem caused by bending stresses during tree fall, protecting valuable sawlog timber. (Correct answer: Option 1)
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