1 Orthopaedics-the diagnosis and treatment, including surgery, of diseases and disorders of the musculoskeletal system, including bones, joints, tendons, ligaments, muscles and nerves. 2  Otolaryngology-the medical and surgical care for diseases of the ears, nose and throat (ENT).
Gold, diamonds, cobalt, copper and oil are major resources that are mined from the region; most mining is small scale, artisanal, and unregulated. Recently, mining groups have targeted coltan and cassiterite, rare minerals used in electronics such as mobile phones.
Lisa's Lessons: Agriculture | Deforestation | Logging | Mining | Cattle ranching. Mining is the extraction (removal) of minerals and metals from earth. Manganese, tantalum, cassiterite, copper, tin, nickel, bauxite (aluminum ore), iron ore, gold, silver, and diamonds are just some examples of what is mined.