Labels:text | screenshot OCR: TELEPHONE Workshop COUND WAVES do not travel far, so shouting only carries your voice a short distance. The telephone EARPIECE. AXZ allows you to talk to someone far away by changing sound waves produced by your voice into electrical signals. These signals can travel through miles Machines of cable or wires to reach their destination. Principles of Science KEYPAD History CABLE Inventors Back Index Local Long-distance RINGER SEE Options Call FLASH HOOK_ I MOUTHPIECE ALSO Call Help
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