Sliding windows vs casement windows

[Cecil Lee]

These are some considerations:
1. If one's unit is along the common corridor; no choice; for safety reasons, such windows have to be sliding panels. As casement windows if fully opened can be a safety hazard.
2. The disadvantage of sliding windows is that often many of such windows have a fixed panel where all the windows slide towards it.
3. From a Shapes and Forms Feng Shui; a casement window is advantages at the exterior of an apartment that is 2nd storey or higher...