it is tethering off the solution line. Going that high up puts a lot of weight on the drone. Look closely when you play the video, you can see the supply line tied off with the while rope, that is anchored to the roof. This allows the drone to work at higher elevations , then you would be able to work with out tethering off.
How tall is the building?
Why are you using Drone anchoring ropes? It’s first time I see in your videos!
I think your work it’s impressive!
it is tethering off the solution line. Going that high up puts a lot of weight on the drone. Look closely when you play the video, you can see the supply line tied off with the while rope, that is anchored to the roof. This allows the drone to work at higher elevations , then you would be able to work with out tethering off.
The dirty water flows down untill it reaches the ground. What are you doing with this?