Changes

<li>'''Middle-click''' &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;''(While mouse is pointing on an object, press middle mouse button and release)''<br /><br />''('''NOTE''': If your mouse does not have a middle button, press and release <u>both</u> left '''and''' right mouse buttons simultaneously)''<br /><br /></li><li>'''Drag''' &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;''(While mouse is pointing on an object, press and hold left mouse button then move mouse to desired location, then release left mouse button)''</li>