What are the three different ways a datum target line symbol may be specified on a drawing?
What will be an ideal response?
ANS:
A datum target line symbol may be specified three different ways on a drawing.
The symbol may be shown and dimensioned on a plan view of the surface to which it is being applied. Where a plan view is not available, the target symbol can be shown and dimensioned in an edge view. Since the edge view of a line is a point, where a line target is shown in an edge view, the point symbol is used. The third method is to show and dimension the line symbol in the plan view and the point symbol in the edge view.
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