In my opinion, most people have cell-phones. I think almost people have good Telephone etiquette, but Some people doesn’t have good Telephone etiquette.
First, we should be quite in library. I think they have to change vibration on cell phones in the library.
According to newspapers, 80% students don’t like using cell phone in the library.
They want to more silent and concentrate on studying. If someone using cell phone in library, it will be loud. , so they can’t concentrate on studying. I think they have to change vibration on cell phones and do not Phone calls in the library.
Second, the health center has a lot of medical equipments that equipments are very sensitive. If you using cell phones close to the medical equipments, it will be Malfunction.