The USB flash drive is inserted, removed from the usb connector:
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Closing the laptop cover, Opening
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Removed, The USB flash drive is inserted
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Photocopy (photocopy)
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Interference, signal, Modem connection
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Hard disk, read, write, room noise
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Computer mouse movement
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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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Turning on the computer, fan noise, shutting
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General noise, Office work
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Computer mouse click
★★★★★