Computer keyboard:
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Closing the laptop cover, Opening
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Shutting, fan noise, Turning on the computer
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Typewriter, Office work, environmental sounds
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Shutting, Turning on the laptop, fan noise
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General noise, Office work
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Old computer keyboard
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Double click computer mouse
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Turn off the hard drive, Turn on
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Turn off the old computer, Turn on
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Sound signal of a bios computer, bios
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Computer mouse movement
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Turn on, turn off the old monitor
★★★★★