Geometric tolerances are specified on a drawing through the use of a feature control frame.

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Geometric tolerances are indeed specified on a drawing through the use of a feature control frame, which contains symbols, numbers, and letters that define the size, shape, orientation, and location of a feature relative to a datum or reference line. The feature control frame is usually placed next to the feature or in a separate section of the drawing, and it includes the geometrical characteristic symbol, the tolerance value, the datum reference identifier(s), and any modifiers or notes. The feature control frame can also indicate whether the tolerance is unilateral or bilateral, and whether it applies to a single feature or a pattern of features.

Geometric Tolerances Are Specified on a Drawing Through the Use