Traditional Culture Encyclopedia - Hotel franchise - What if the window with handle can't be closed?

What if the window with handle can't be closed?

If the window handle is damaged, it needs to be replaced with a new one.

If the handle is loose, you need to tighten the screw at the handle position with a tool. If the screw is damaged or rusted, you need to replace it with a new one.

If the window frame or sash is deformed, you need professional help to adjust it.