There are five basic gasifier technologies currently in commercial use: â 1 Down Draftâ Fixed Bed. â 2 Up Draftâ Fixed Bed. 3  Fluidized Bed Reactor. 4  Entrained Flow. 5  Plasma.
2 B. Brief History of HMOs A health maintenance organization is defined as âan organization that combines the provision of health insurance and the delivery of health care services.â (Given 1994) Early HMOs and HMO-like institutions developed in the 1930s.
Rising tensions at various times with Britain and France and the ensuing Quasi-War and War of 1812 quickened the development of the U.S. Navy (established 13 October 1775) and the United States Marine Corps (established 10 November 1775).