The USB flash drive is inserted, removed from the usb connector:
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Shutting, Turning on the laptop, fan noise
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Room noise, read, write, Hard disk
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Interference, signal, Modem connection
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Input error sound, Pressing a keypad
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Closing the laptop cover, Opening
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Manual copy machine
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Computer keyboard
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Computer interface, alarm
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Computer mouse click
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Photocopy (photocopy)
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Turn on, turn off the hard drive
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Computer simulated laser
★★★★★