The Virtual Machine Shop


1) A reference line from which distances or angles are measured in a the Cartesian coordinate system. In the picture below these lines are labeled X, Y, and Z.

2) A straight line about which a body or geometric object rotates or may be conceived to rotate. In the picture below the rotational axes are labeled A (rotation about the X axis), B (rotation about the Y axis), and C (rotation about the Z axis).

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