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To measure an offset for ductwork fittings, first determine the horizontal and vertical distances between the two duct sections that need to connect. Use a tape measure to find the rise or drop required, then apply the Pythagorean theorem if necessary to calculate the diagonal length of the offset. Mark the measurements on the ductwork, ensuring that angles are accurately measured for proper fitting. Finally, use these measurements to cut and install the appropriate fittings.

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3d ago

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