Laser printer:
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Office work, general noise
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Opens, closes the CD / DVD tray
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Bios, Sound signal of a bios computer
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Turn off the hard drive, Turn on
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Signal read information, Computer interface
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Turn on, turn off the old computer
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Computer simulated laser
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Floppy disk reading
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Removed, The USB flash drive is inserted
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Computer keyboard
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Computer interface, signals
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Laser printer
★★★★★