Jet printer:
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The USB flash drive is inserted, removed
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Computer keyboard
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Repeatedly pressing a computer mouse
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Insert the disk into the drive, read the
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Turning on the computer, fan noise, shutting
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Computer mouse movement
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Turn on, turn off the old computer
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Computer simulated laser
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Signal read information, Computer interface
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General noise, Office work
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Shutting, fan noise, Turning on the laptop
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Pressing a keypad, input error sound
★★★★★