Floppy disk reading:
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Computer mouse movement
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Office work, general noise
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Removed, The USB flash drive is inserted
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Computer interface, signals
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Disc read, CD / DVD drive
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Photocopy (photocopy)
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Shutting, fan noise, Turning on the laptop
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Computer keyboard
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Opens, closes the CD / DVD tray
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Laser printer
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Franking machine
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Jet printer
★★★★★