Opens, closes the CD / DVD tray, disc read:
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Computer mouse click
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Computer mouse movement
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Turn off the hard drive, Turn on
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Office work, general noise
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Franking machine
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Office work, environmental sounds, typewriter
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Bios, Sound signal of a bios computer
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Repeatedly pressing a computer mouse
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Floppy disk reading
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Computer keyboard
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Photocopy (photocopy)
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Computer interface, alarm
★★★★★