• Railway line is constructed into the mine to bring out the mineral e.g. mining of copper at Kilembe in Uganda. b) Solution Method - Method used in mining soluble minerals such as sulphur salt etc. Superheated water is ejected into salt deposits. The mineral dissolves or melts. The solution is then pumped into the surface. DrillingMobuku River supplies most of the power used in the copper mines at Kilembe. HEP Projects in Africa. Africa has the largest concentration and potential areas of HEP generation. The potential hasn't been utilised due to: 1. Inadequate financial resources. Where the projects are to be established the countries seek external borrowing of money ...Majority of people in rural areas of Uganda and other malaria-endemic parts of the world use medicinal plants to treat the disease. This study documented medicinal plants used to treat malaria around Kilembe copper mines and assessed the presence of essential and potentially toxic elements. surveys and key informant interviews were ...