Office work, typewriter, environmental sounds:
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Laser printer
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Typewriter, Office work, environmental sounds
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CD / DVD drive, disc read
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Manual copy machine
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Signal read information, Computer interface
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Office work, general noise
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Photocopy (photocopy)
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Turn off the old monitor, Turn on
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Matrix printer
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Opens, disc read, closes the CD / DVD tray
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Computer noise, Communication room
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Room noise, read, write, Hard disk
★★★★★