Levels utlize a fluid-filled tube containing a bubble that is centered when the surface is horizontal (level) or vertical (plumb) along the direction of the tube. While a standard level can measure along a single dimension, a bullseye level is circular and can indicate the levelness of a two dimensional plane.
The primary difference between a standard level and a bullseye level is which of the following?
a bullseye level has only one bubble to center |
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a standard level can measure across two dimensions |
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a standard level has only one bubble to center |
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a bullseye level can measure across two dimensions |