Sponge, or protect

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6. Gently drive the water to the lower binding, collecting its remains with a napkin or a damp sponge.

7. All glazing is washed in the same way. So that there are no streams of dirty water on the wall below the window, when washing the glass of the lower row, it is necessary to either constantly assemble the reduced solution with a napkin or a damp sponge, or protect the wall surface with absorbent material.