Traditional Culture Encyclopedia - Hotel franchise - The building is half built, and there will be a row of green laser lights at the top at night. What is this for? I use pictures and strokes during the day.
The building is half built, and there will be a row of green laser lights at the top at night. What is this for? I use pictures and strokes during the day.
In two cases, one is used for leveling during construction.
Laser levels example
One case is laser decoration as a landmark building, similar to this one.
Landmark building laser lamp
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