The USB flash drive is inserted, removed from the usb connector:
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Turn on, turn off the hard drive
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Signal read information, Computer interface
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Photocopy (photocopy)
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Double click computer mouse
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Computer interface, alarm
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Computer mouse movement
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Franking machine
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Computer mouse click
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The USB flash drive is inserted, removed
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Old computer keyboard
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Turn on, turn off the old computer
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Signal, interference, Modem connection
★★★★★