Matrix printer:
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Computer mouse click
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Laser printer
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Turn on, turn off the hard drive
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Alarm, Computer interface
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Opens, disc read, closes the CD / DVD tray
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Modem connection, interference, signal
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Old computer keyboard
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General noise, Office work
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Environmental sounds, typewriter, Office work
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Signal read information, Computer interface
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Double click computer mouse
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Photocopy (photocopy)
★★★★★