What makes a good presenter??

In order to have a good presentation,as a good presenter,you should,
-before you give a presentation,you must make sure who is your audience..this can make sure they understand your presentation.
-before you give a presentation,you must know your topic..then you can do research to add some information in your presentation.
-before you give a presentation,you must know where you will give the presentation,this can ensure your speech can delivered effectively.
-before you give a presentation,you must know what tools are prepared for you during the speech then you will face any problem during the presentation.
-you must reach early and do not try to reach at the exactly time of your presentation..this can make sure you have enough time for your preparation.
-your voice projection must be loud and you must sure the last row can listen your voice..If you are using a microphone,please ensure that your voice is not too loud.
-during the presentation,you must have eye contact with audience..you can not look down or look up and it show that you are not respect them..
-during the presentation,you can not read from a text...if you just read,you can not have eye contact with audience,you can joke down some important point in a piece of paper if you worry you miss some points.
-when you giving a presentation,you can show some picture or video to get attention from audience.
-when you giving a presentation,you can ask some question to audience to make sure they pay attention to your presentation.
-after your presentation,you can left some time for your audience to ask some question...this can ensure they understand your presentation..