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Distinguish Between Primary Demand and Selective Demand

question 97

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Distinguish between primary demand and selective demand.


Definitions:

Cavalier Oblique

A form of oblique drawing where the depth is represented at full scale without foreshortening, often used for industrial drawings.

Receding Axes

Axes that appear to converge in the direction away from the viewer in a perspective drawing, illustrating depth.

Pictorial View

A three-dimensional representation of an object, used in technical drawing to give a realistic view and help in understanding the shape and features.

Orthographic Views

Orthographic views are two-dimensional representations of a three-dimensional object, providing distinct viewpoints (typically front, top, and side) separated by orthogonal projection.

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