All businesses could benefit from this level of laser beam focus to write their own success story HB Surround Sound will be crushing the soundtrack.

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More modern versions of the tool add in a laser beam projector, which allows builders to level out the device and "draw" a long line of light across a wall, indicating an exactly level surface.

FORBES: No. 18 The Level

Google's self-driving cars, which use laser sensors and mapping technology, are examples of Level 3 cars, Mr. Friedman said.

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