Advantages and disadvantages of using the telephone can O family > Smart phone, mobile phone, teenage life, mental health, school.Theme discussion.The use of cell phones, or call in his mouth. "Mobile".A communication device called a widely popular. And easy access in the world at present. It has the issues debated in terms of health problems is not. Due to the use of a mobile phone to contact attach the head and ears. To hear sound and spoke through a microphone inside the machine. When the conversation continued for a long time. The user will feel the heat. Including the principle of microwave signals applied to mobile phones. Also causing anxiety about heat and power of radiation. The use of mobile phones in the 5-6 years ago. To communicate to talk in general. But at present many technology was included in the mobile phone. For convenience and utility. Whether playing the Internet through mobile phone photography, the documents and information, including การดูโทรทัศน์, watch movies, listen to music, play games. . these technologies make the user must look mobile screens.
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