Modem connection, signal, interference:
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Photocopy (photocopy)
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Old computer keyboard
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Floppy disk reading
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Closing the laptop cover, Opening
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The USB flash drive is inserted, removed
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Pressing a keypad, input error sound
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Fan noise, Turning on the computer, shutting
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Jet printer
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Turn off the hard drive, Turn on
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Computer noise, Communication room
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Franking machine
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Manual copy machine
★★★★★