Long-distance communication In ancient times, between human beings together, it uses a simple method relies on natural or imitation. As well as natural, such as sound, light, smoke, or use a pigeon, etc. Communication using the name them, you will not have much effect because it was unable to provide details or even much news to a lot of details, but it rarely is it safe?, such as pigeon compounds present which provide many details, but it is a risk because the pigeon could not,ึง endpoint. However, such communication is communication that is cheap, fast enough for use in the current era, which is a disgrace to good tantayaporn. As the era of explosive technology A man has been taken to remove existing technology applied to communication. The current communication is very powerful and. Comfortable, fast and accurate, of course, clearly.
การแปล กรุณารอสักครู่..