What kind of window should high-rise residential buildings choose, casement window or sliding window?

The difference between sliding window and casement window depends on personal use. Generally, the lighting area of sliding window is not as good as that of casement window, and it is only applicable to the high and low floors of sliding window on the side of low-rise building. Generally speaking, sliding windows are suitable for high-rise buildings. The general sliding mode is that the sliding window will not be outside like the casement window. Generally speaking, sliding windows are most suitable for high floors.