Laser printer:
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Alarm, Computer interface
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Double click computer mouse
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Computer interface, signals
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Turn off the old computer, Turn on
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Opens, closes the CD / DVD tray
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Computer mouse click
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The USB flash drive is inserted, removed
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Disc read, Opens, closes the CD / DVD tray
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General noise, Office work
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Franking machine
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Sound signal of a bios computer, bios
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Shutting, fan noise, Turning on the laptop
★★★★★