Carrie Chapman Catt. Carrie Chapman Catt (January 9, 1859 â March 9, 1947) was an American women's suffrage leader who campaigned for the Nineteenth Amendment to the United States Constitution, which gave U.S. women the right to vote in 1920.
Aluminum is lighter than steel. Automakers use it to cut weight, and thereby improve fuel economy and performance, or to add features without making cars and trucks disastrously heavy. The 2004 Audi A8L, which went on sale last month, is the third generation with an aluminum body.
Typically the material used to construct vehicle chassis and frames is carbon steel; or aluminum alloys to achieve a more light-weight construction. In the case of a separate chassis, the frame is made up of structural elements called the rails or beams.