How to compare the verticality of the high pole light?

How to compare the verticality of the high pole light? Tall pole light manufacturers have a variety of calibration methods for the verticality of tall pole lights, so if we are going to calibrate tall pole lights, how to calibrate their verticality, you may see tall pole lights in a city square, a school stadium […]
Why are the high pole lights in the square so welcome?

1, a wide range of lighting if some large squares are still installed with low street lights, then the lighting range is limited, there are lighting dead corners.
How to lightning-proof stadium high pole light.

The stadium is usually equipped with a lot of high-pole lights, the height is relatively high, and the top of the light pole is equipped with a number of high-power lighting lamps, which we refer to as the stadium high-pole lights.
What is Advantages and disadvantages of Airport High Pole Lights

Airport high pole lights play an important role in airport lighting, they have some significant advantages, but there are also some potential disadvantages