Jul 7, 2015 - In transporting temperature-sensitive foodstuffs and other materials by trucks, trains, airplanes and sea-going vessels, refrigeration is a necessity. Dairy products are constantly in need of refrigeration, and it was only discovered in
Feb 25, 2014 - Political instability and economic crises characterized much of Africa during the second half of the twentieth century. Presidents ... 8.1.1 Effects of decolonization; 8.1.2 The Cold War in Africa ...... Africa was an arena during the