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Finding a Level with a Laser

Ted Riley explains to how the concrete crew uses a laser to assure that they get a level slab. The crew first sets up the laser and then the target with the proper height. When the laser beeps, it's on target. The bottom of the stick tells them that it's at the same height as the rest of the area.
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Finding a Level with a Laser

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" How can they be assured of getting a really level slab -- that -- they have set up a lays out. And then they set up clay target with the the proper height. And as you can see now he's. -- around it column -- any set ablaze and then. And the bottom of each -- that it's the bottom of the bottom of the stick tells him. That's that the thing yes height as the rest of the area -- course it's beeping from over here yes -- The laser plane which is sending him a signal throughout this space. So while they level out the concrete in this area the next truckload of concrete is -- We'll be ready to start pouring that in him."

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