L.B.# 10

Demonstration is a public showing and emphasizing of the salient merits,utility efficiency,etc,of an article or product.In teaching, it is showing how a thing is done and emphasizing of the salient merits,utility and efficiencyof a concept,a method or a process or an attitude.It is a visualized explanation of an important fact,idea or process by the use of photographs,drawings,films,displays,or guided motions.It is showing how things are done.