Communication room, computer noise:
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Old computer keyboard
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Jet printer
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Turn on, turn off the old monitor
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Computer keyboard
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Office work, general noise
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Disc read, Opens, closes the CD / DVD tray
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Photocopy (photocopy)
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Laser printer
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Turning on the computer, fan noise, shutting
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The USB flash drive is inserted, removed
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Signal read information, Computer interface
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Computer noise, Communication room
★★★★★