Narrow-gauge railways in Africa cane. Because Africa is divided into many countries, railways built by different governments tend not to link up with each other, each country's lines connecting its outlands with its own port. Incompatible gauges are therefore not obvious. For example, a link from Nigeria to Cameroon would join to . The railways of South Africa and many other African countries, including Angola, Botswana, Congo, Ghana, Mozambique, Namibia, Nigeria, Sudan, Zambia and Zimbabwe, use gauge, sometimes referred to as Cape gauge. Kenya, Uganda and others use gauge lines. In Tanzania former East African Railways lines are metre gauge while the TAZARA line
Audiology and hearing health professionals in developed and developing countries reported in the majority of developed countries and a few in developing countries. Examples of programs in developing countries include Columbia, Costa Rica, Cuba, Nicaragua, Panama, Kenya, Ghana, and Jamaica (Madriz, 2001; Macharia, 2003; Amedofu et al., 2003; Lyn et al., 1998 ). According to McPherson and Olusanya (2008), "school screening audiometry has concentrated on the detection of possible disorders in primary (elementary) school children. This has been due to: When determining the best protocol for school-based screenings, it is important to note the limitations of both equipment and potential screening staff. For example, the screening staff may not have