The third presentation skill that is very vital but also may be disagreeable.  At the same time it may be the one that is most motivating to the presenter himself. If you, as the presenter, aspire to one of these foundations, you still have to show that sincerity to your audience. Sincerity goes a long way in making your presentation skills in Pretoria both credible and meaningful. It is essential to establish eye contact with your audience as early as you can. It is a well know fact that one of the differences between people who establish new relationships easily and those that doesn't lies very much in the way they use eye contact. Using eye contact makes you both believable and trusted. We have all heard a parent telling his child to "look me in the eye and tell me that again". The same goes for a presentation. When you establish eye contact with your audience early on and continuing to do so throughout your presentation, it will guarantee a receptive audience. Be careful of what you eat or drink before making a presentation. Great presentation skills even involve what you eat. If you are to make an important after-dinner presentation, try to keep your alcohol intake to a minimum. Avoid milk, cheese or other dairy products. They make the body produce mucus and this can clog up the throat during your presentation. Caffeine is also bad as it can dry out the mouth.