Usa "means of access" in una frase

1. staircase which was the room’s only means of access, he

2. Is there any means of access?'

3. The only other means of access to the facility is by a high-speed rail that runs through the mountain that connects to a military base on the other side of the mountain

4. Those they call upon are themselves seeking means of access to their Lord, vying to be nearer, and hoping for His mercy, and fearing His punishment

5. The place which Maple White's chalk-marks had indicated as his own means of access was now entirely impassable