CD / DVD drive, disc read:
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Write, read, room noise, Hard disk
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Closes the CD / DVD tray, Opens
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Read the, Insert the disk into the drive
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Manual copy machine
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Opening, closing the laptop cover
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Computer keyboard
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Signals, Computer interface
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Shutting, Turning on the computer, fan noise
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Laser printer
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Turn on, turn off the hard drive
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Communication room, computer noise
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Franking machine
★★★★★