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Blueprints

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A traditional method of reproducing technical drawings using a contact print process and light-sensitive paper that resulted in white lines on a blue background. Also, the traditional name used to describe construction drawings.

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Computer-aided drafting (CAD)

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The making of a set of construction drawings with the aid of a computer.

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Specifications

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Precise written presentation of the details of a plan.

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Drawing revision control

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A system for recording, documenting, and identifying drawing revisions by using a numeric or alphabetic sequence.

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Block

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A part of a drawing sheet that includes some general information about the project.

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Dimension line

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A line on a drawing with a measurement indicating length.

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Leader

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In drafting, the line on which an arrowhead is placed and used to identify a component.

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Hidden line

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A dashed line showing an object obstructed from view by another object.

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Architects

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Qualified, licensed people who create and design drawings for construction projects.

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Engineers

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People who apply scientific principles in design and construction.