How to drill a hole in a wall effectively and safely?

To drill a hole in a wall effectively and safely, follow these steps:

1. Choose the right drill bit for the wall material.
2. Mark the spot where you want to drill the hole.
3. Hold the drill perpendicular to the wall and start drilling at a slow speed.
4. Apply gentle pressure and let the drill do the work.
5. Stop periodically to clear away dust.
6. Once the hole is drilled, remove the drill carefully.
7. Use appropriate anchors or screws to secure items to the wall.