Jet printer:
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Franking machine
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Photocopy (photocopy)
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Floppy disk reading
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Old computer keyboard
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Closes the CD / DVD tray, Opens, disc read
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Office work, environmental sounds, typewriter
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Modem connection, signal, interference
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Computer interface, signal read information
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The USB flash drive is inserted, removed
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Computer mouse movement
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Computer keyboard
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Insert the disk into the drive, read the
★★★★★