When the trainees have attained some knowledge in the manners stated above it is necessary that they should use/apply that knowledge in their practice. The trainees attain theoretical knowledge by learning in the above manner. But, that knowledge is considered to be incomplete unless it is put into practice. So according to this step, the trainees have to practice the theoretical knowledge gained and then make that knowledge permanent. The instructor should give chance to the trainees to use and put their knowledge in actual practice.

The instructor has to ask certain questions from the subject matter dealt/taken in the class. He has to guide, correct, and encourage the learners in telling the correct answer for the questions. In this step, the instructor has to apply the Law of exercise for the perfect knowledge or skill attainment. After completion of question answer session, the instructor has to summarize all the points - but, emphasizing the key/ important points only.