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Mistake & recovery · #096

Not converting properly between fractions and decimals when using a precision rule

3rd YearMeasuring & Layout

Keep a fraction-to-decimal conversion chart in your tool bag. For critical dimensions, cross-check your conversion with a calculator before scribing. One…

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Safer field move

Keep a fraction-to-decimal conversion chart in your tool bag. For critical dimensions, cross-check your conversion with a calculator before scribing. One wrong conversion can ruin an entire fitting.

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Can you verify this before I keep going? I’m looking at: Not converting properly between fractions and decimals when using a precision rule. What’s the approved correction for this job?

Do not

Do not hide, force, cover, or “make it work” if this affects safety, access, airflow, rated assemblies, supports, equipment, or inspection. Stop and verify the approved correction.

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