I. Introduction:1. The importance of the subject: need to answer the question as to why must perform the selected topic both in terms of theory and practice.Usually, the subject of detecting a new problem or contrary to the usual rule to in order to explain it and give a specific useful conclusions about the theory as well as practice.Need to distinguish the difference between a subject of scientific research and a report or report-back narration only event, the phenomenon to give comment, conclusion.
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