Hard disk, read, write, room noise:
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Opens, closes the CD / DVD tray
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Franking machine
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Computer noise, Communication room
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Computer simulated laser
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Alarm, Computer interface
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Repeatedly pressing a computer mouse
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Input error sound, Pressing a keypad
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Floppy disk reading
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Photocopy (photocopy)
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Office work, environmental sounds, typewriter
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Shutting, fan noise, Turning on the computer
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Opens, closes the CD / DVD tray, disc read
★★★★★