what make a good presenter ??????????

This will make you a good presenter...............
1. Do not say sorry after finishing your presentation
2. Do not say ops when give presentation
3. Do not give your back to the audience
4. Know who your audience
5. Make sure to clarify your voice
6. Make sure you know the props around you
7. Make sure you know what you are speak about
8. Do not keep moving in front of audience
9. Make body language when you are speaking
10. Make eye contact with audience