Franking machine:
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Floppy disk reading
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Computer mouse click
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Manual copy machine
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Closes the CD / DVD tray, Opens
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Write, Hard disk, read, room noise
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Computer interface, signal read information
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Computer keyboard
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Turn off the old monitor, Turn on
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Bios, Sound signal of a bios computer
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Jet printer
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Photocopy (photocopy)
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Opening, closing the laptop cover
★★★★★