Opening, closing the laptop cover:
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Double click computer mouse
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Insert the disk into the drive, read the
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Bios, Sound signal of a bios computer
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Photocopy (photocopy)
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Office work, general noise
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Shutting, Turning on the laptop, fan noise
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Turning on the computer, shutting, fan noise
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Disc read, Opens, closes the CD / DVD tray
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Typewriter, Office work, environmental sounds
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Floppy disk reading
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Hard disk, read, room noise, write
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Turn on, turn off the hard drive
★★★★★