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First, pour water and cleaning solution into the groove on the top of the Polee.
Then, thanks to the Polee's ability to fly, users can control sponges on the side of the Polee to spray water
and cleaning solutins as the Polee rises to a certain height and is close to the window.
In this way, Polee can stably and efficiently clean the tallglass of the building while rotating
Components and their functions
Groove：Refill water and cleaning solution
Sponge brush：Brush the glass，spray water and cleaning solution
Water tank：Water and cleaning solution