message appears above the input reading "Invalid entry".  The screen reader announces, "Invalid entry" or "Postal code, invalid entry".</li>
				<li>After a user activates a process, an icon symbolizing 'busy'  appears on the screen. The screen reader announces "application busy". </li>
				<li>An application displays a progressbar to indicate the status of an upgrade. The element is assigned a suitable role. The screen reader provides intermittent announcements of the progress. </li>
        <li>After a us