Ключевые слова: alert, allowed, attention, ban, call, camera, caution, cell, cellphone, cellular, communication, design, device, forbid, forbidden, graphic, icon, illustration, information, isolated, label, mark, mobile, mobile phone, no, no phone, not, notice, phone, photo, photograph, picture, prohibited, prohibition, recording, restricted, restriction, rule, screen, sign, smartphone, stop, symbol, technology, telephone, warning, zone,