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.
Confidence votes 23. Marine aviation officially began on May 22, 1912 when First Lieutenant Alfred A. Cunningham reported to Naval Aviation Camp in Annapolis, Maryland, for duty in connection with aviation.[4] As the number of Marine aviators grew so did the avid desire to separate from Naval aviation[5].