The horn of dripping water is also called dripping lines and eagle mouths. It is a measure to prevent rainwater from entering the balcony or flowing to the glass when the rainwater flows down the wall. Building dripping corners and dripping lines are usually places where the bottom surface and the outer wall surface are pasted. A building dripping corner is pasted. Rainwater will fall at this dripping corner line. It's flowing. Suitable for construction engineering