Research communication and JHB presentation skills before or during a workshop available to businesses. If you are giving a presentation, it is essential that you prepare early. Leaving your work till the last minute will only make you more nervous. You should research your topic very well so you can include facts, statistics and maybe even quotes if necessary. It is very important that you practice giving your entire presentation in your time limit and workshops on communication and JHB presentation skills help you to do it in "safe" environment. You could also ask your family members to sit in as the audience. Another good way to practice is by taping yourself. This way you can point out any flaws you may see. You should definitely have your words memorized but do prepare notes just in case you forget. The last thing you want is to draw a blank and have no back up! Better communication and JHB presentation skills will not only add value but change you to a higher level of business presentations.