Jet printer:
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Turn off the old computer, Turn on
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Fan noise, Turning on the laptop, shutting
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Franking machine
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Photocopy (photocopy)
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Communication room, computer noise
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Jet printer
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Signal read information, Computer interface
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Computer simulated laser
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Modem connection, interference, signal
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Bios, Sound signal of a bios computer
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Opens, closes the CD / DVD tray
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Computer keyboard
★★★★★