Manual copy machine:
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Closing the laptop cover, Opening
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Manual copy machine
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Disc read, CD / DVD drive
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Room noise, read, Hard disk, write
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Interference, signal, Modem connection
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Turning on the laptop, shutting, fan noise
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Input error sound, Pressing a keypad
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Sound signal of a bios computer, bios
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Floppy disk reading
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Computer mouse movement
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Opens, closes the CD / DVD tray
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Signal read information, Computer interface
★★★★★