Computer mouse movement:
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Opens, closes the CD / DVD tray
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Repeatedly pressing a computer mouse
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Bios, Sound signal of a bios computer
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Signal, Modem connection, interference
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General noise, Office work
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Input error sound, Pressing a keypad
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Closing the laptop cover, Opening
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Computer interface, alarm
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Office work, typewriter, environmental sounds
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Computer simulated laser
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Photocopy (photocopy)
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Franking machine
★★★★★