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Peter wood (talk | contribs) (Created page with "In Australia, visually stress-graded structural timber is classified using F-grades (e.g., F5, F7, F11, F17, F22, F27). The “F” number represents the characteristic bending strength of the timber in megapascals (MPa), which is a measure of how much stress the timber can safely carry in structural applications. The grading is determined by visual inspection, considering features such as knots, slope of grain, checks, splits, and other natural growth characteristics th...") |
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