Matrix printer:
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Computer interface, signals
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Closing the laptop cover, Opening
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Double click computer mouse
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Interference, signal, Modem connection
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Franking machine
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Disc read, closes the CD / DVD tray, Opens
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CD / DVD drive, disc read
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Old computer keyboard
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Office work, general noise
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Matrix printer
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Signal read information, Computer interface
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Pressing a keypad, input error sound
★★★★★