How to clean the glass outside the high-rise building

Wet the rag with water containing baking soda, and then scrub the glass. This method can remove dirt.

Beer is mild in nature, which has a good effect of cleaning glass, and it will form a protective film on the glass, which will keep the glass clean for a longer time.

Vinegar is an essential condiment at home. When you use it to wet the rag and wipe the glass, the glass will become clean and bright.