영어 허접이라.. 이게 완결본인데요;; 에세이 써 가야해서;; 확인 부탁드립니다 좋은하루되세요^^ ㅋ Using cell phones in public places In my opinion, most people have cell-phones. I think most people are using cell phone with a good manner, but occasionally there seems to be several cases that lack certain manner. At first, cell phone should be set in vibration mode when you are in library, because keeping quiet is a certain rule and manner when you are in library. According to The New York Times, 80 percents of U.S. students do not prefer using cell phones in library. Talking over the phones, or just a bell ringing may disturb other students who want to concentrate on studying, so it is important to keeping silence in libraries. For that, keeping the cell phone in vibration mode would be pr refered. Secondly, some precised apparatuses in a hospital might malfunction by a cell phone's radio wave, so it is recommended to not close cell phone to such devices. I think it’s so dangerous. All mobile phones should be turned off in the hospital at all the time. If apparatus has malfunction by a cell phone's radio wave, so someone will get terrible problems. Third, in the airport staff has told to customers, “You have to turn off your cell-phone in airplane”. If you are using cell-phone in airplane, so it might malfunction by a cell phone's radio wave. You should turn off your cell-phone in airplane.