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Terms & Definitions Drafting & Design Technology Unit 2

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Drawing media Any type of drawing material upon which an object is graphically represented

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Horizontal Parallel to the plane of the horizon

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Lead Made of graphite with kaolin (clay) added in varying amounts in order to make the eighteen grades from the hardest to (9H) to the softest (7B)

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Parallel Two lines or surfaces side by side, equal distance apart at all points

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Perpendicular At a 90 angle to a given plane or line

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Vertical A line straight up and down, perpendicular to the horizontal plane

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Working Surface Any surface such as a drafting board or desk used to secure drawing media

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