The report has been written because of the use of the phone is very important. Therefore, we decided to conduct a survey. We need to learn to use the telephone, from the women's University student government official dev using a survey questionnaire will survey 35 people; If using the telephone to communicate. It is also possible to do different activities in the phone easily. But this convenience may be damaging our health without realizing it. So we decided to choose the topic of this research, because we think it is an issue that is close to us, and we can modify it.
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