Franking machine:
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Computer interface, signal read information
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Input error sound, Pressing a keypad
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Opens, closes the CD / DVD tray, disc read
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CD / DVD drive, disc read
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Double click computer mouse
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Room noise, write, Hard disk, read
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Computer mouse click
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Office work, typewriter, environmental sounds
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Floppy disk reading
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Computer keyboard
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Laser printer
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Computer mouse movement
★★★★★