Demonstrations is very handy. It requires no elaborate preparation and yet as a effective as the other instructional materials when done properly it shows the products tells all the good things to promote it in order to convince the audience. Demonstrations is also show how a thing emphasizing of the salient merits, Utility and efficiency of a concept, A method or process or an attitude. It could apply this in our daily activities in able to understand things around us, It helps them to understand it helps to understand what i must to understand to them . without demonstration we don't have enough communication in this community. It is also to assume that the audience knows or a little what do you want to say all about..
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