The USB flash drive is inserted, removed from the usb connector:
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Turn off the old computer, Turn on
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Shutting, Turning on the computer, fan noise
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Communication room, computer noise
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Computer interface, signal read information
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General noise, Office work
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Turn off the old monitor, Turn on
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Repeatedly pressing a computer mouse
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Double click computer mouse
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Franking machine
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Shutting, Turning on the laptop, fan noise
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Matrix printer
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Computer keyboard
★★★★★