The box titled "Consider Limits of Size" serves as a reminder to examine the size limits before applying additional form controls. See Fig. E-2. As stated in para. 2.7.1, the dimensional limits of a feature of size may also serve to control the allowable variations in form (Rule #1). When this is the case, and the functional requirements of the design are met, no additional form controls are needed.
E4.1 Choosing Form Controls. Assuming that form controls are necessary, the diagrams lead the user through the various applications and suggest a variety of possible choices, as dictated by the design function. See Fig. E-2.
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