Insert the disk into the drive, read the disk, take it out:
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Turning on the computer, fan noise, shutting
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Franking machine
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Computer mouse movement
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Input error sound, Pressing a keypad
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Removed, The USB flash drive is inserted
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Jet printer
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Disc read, CD / DVD drive
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Shutting, Turning on the laptop, fan noise
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Photocopy (photocopy)
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Computer mouse click
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Bios, Sound signal of a bios computer
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Computer simulated laser
★★★★★