By his third edition (1922), Wegener was citing geological evidence that some 300 million years ago all the continents had been joined in a supercontinent stretching from pole to pole. He called it Pangaea (all lands), and said it began to break up about 200 million years ago, when the continents started moving to their current positions.
Trim level as it applies to car sales is the stuff it is equipped with such as leather, power seats, so on. Sometimes designated as EX,LX and so forth. Trim for a repair shop usually means most of the interior plastic parts and the exterior plastic pieces such as door protectors, body molding,so on. Don W Â· 9 years ago.
A trim tab is a small, adjustable hinged surface on the trailing edge of the aileron, rudder, or elevator control surfaces. Trim tabs are labour saving devices that enable the pilot to release manual pressure on the primary controls.n this example, we are talking about the tab itself and not the cockpit control. Rudder and aileron trim tabs operate on the same principle as the elevator trim tab to relieve pressure on the rudder pedals and sideward pressure on the control wheel, respectively.