Examlex
The SQL keyword CONSTRAINT is used to limit column values to specific values.
Geometric Tolerances
The limits of allowable variation in the shape and size of a part's geometry, including its form, orientation, and location, specified in engineering drawings.
Straightness
A condition where an element or line maintains a consistent path without deviation, typically applied in manufacturing to ensure parts are within specified tolerances.
Flatness
A geometric tolerance that describes how flat a surface must be within specified limits.
Tertiary Plane
A plane that is oriented to intersect or be parallel with the primary and secondary planes in a three-dimensional coordinate system.
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