Repeatedly pressing a computer mouse:
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Turn on, turn off the hard drive
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Manual copy machine
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Double click computer mouse
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Repeatedly pressing a computer mouse
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Turning on the laptop, shutting, fan noise
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Disc read, CD / DVD drive
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Interference, signal, Modem connection
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Office work, typewriter, environmental sounds
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Turn off the old computer, Turn on
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Insert the disk into the drive, read the
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Matrix printer
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Computer interface, alarm
★★★★★