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.
IPO Overview. 1  Founded in 1994 and incorporated in Delaware, Amazon.com Inc. primarily operates in the Information Retrieval Services industry.  The company did not officially go public until 1997 when it offered 3,000,000 shares at $18 per share.