What is the function of those tripod devices I see construction people using and staring through?
In: Engineering
It is a level.
It is used to establish a vertical measurement at any point within its view.
Nearly everything in construction requires a level. There are now laser levels that spin a laser at a set height and the contractor has a device that can beep when it’s measuring something flat.
[https://en.wikipedia.org/wiki/Level_(optical_instrument)](https://en.wikipedia.org/wiki/Level_(optical_instrument))
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