Franking machine:
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Insert the disk into the drive, read the
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Manual copy machine
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General noise, Office work
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Photocopy (photocopy)
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Repeatedly pressing a computer mouse
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Room noise, read, Hard disk, write
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Old computer keyboard
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Turn on, turn off the hard drive
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Computer simulated laser
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Sound signal of a bios computer, bios
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Disc read, CD / DVD drive
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Computer mouse click
★★★★★