Office work, typewriter, environmental sounds:
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Turn on, turn off the old monitor
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Franking machine
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Floppy disk reading
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Computer noise, Communication room
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Room noise, Hard disk, read, write
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Matrix printer
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Fan noise, Turning on the computer, shutting
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Double click computer mouse
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Turn on, turn off the old computer
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Insert the disk into the drive, read the
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Old computer keyboard
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Jet printer
★★★★★