The operator was The communication system stopped working suddenlyvery good and experienced at his job. He was ___ ., skilled, Sending hundreds of messages manually can be boring and tiring. It can be a ____ procedure., tedious, The system was turned off completely. It was, shut down, The system is used regularly, not only in emergencies. It is used __________., routinely, Morse code can be adapted to different situations, so it is, flexible, Morse code is becoming less common, so some people describe it as a, dying art, If the main communication system fails, you need another solution — a ____ ., back-up plan, After many difficulties, the Morse operators managed to succeed. They, came out on top, The signal had a special pattern that made it easy to recognize. It was, distinctive, The ship was in danger, so the operator sent a message asking for help — a, distress call, The communication system stopped working suddenly, broke down

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