Presentation skills Johannesburg courses training with visual slides forces delegates to think both visually and verbally. Typically, only about fifteen to twenty slides are used. These slides will include an introduction, a conclusion, and various slides containing supporting information. All of this is set up and arranged in the same way that one would arrange any sort of presentation or essay. Long sentences should be avoided in slide-shows. The text should contrast with the background. Green on blue or orange on purple might seem like good innovative brainwaves, but they put a strain on the listeners, viewers or spectators in both seeing and reading. A second presentation skills Johannesburg courses training for use in PowerPoint presentations is presenting effective slides. Standardize the font size, colour, and location across the entire slide-show through use of the templates that are freely accessible or obtainable in the program. Include information, but only crucial information, that way the rest can be expounded upon with other visual aids and business dialogue. Contrast colours are a good way to add emphasis to things. Black on white or white on black are a good stand-by if no other colours are accessible or obtainable are debated at presentation skills Johannesburg courses training or it proves too difficult to choose a good colour scheme.