Strait of Gibraltar These "internal waves" continue to flow eastward and to refract around coastal features. They can sometimes be traced for as much as , and sometimes create interference patterns with refracted waves. Except for its far eastern end, the Strait lies within the territorial waters of Spain and Morocco. The United Kingdom claims around Gibraltar on the northern side of the Strait, putting part of it inside British territorial waters. As this is less than the maximum, it means, according to the British claim, that part of the Strait lies in international waters. The ownership of Gibraltar and its territorial waters
South African Class DS South African Class DS The South African Railways Class DS of 1939 was a diesel-electric locomotive. The first diesel-electric locomotive on the South African Railways was a single Class DS AEG diesel-electric shunting locomotive which was placed in service at the Congella yards near Durban in 1939. Around 1935, the question of purchasing diesel locomotives for the South African Railways (SAR) was seriously considered. Even though South Africa was a coal-rich country with, at the time, the lowest pit-head prices in the world and no oil wells, there were definite advantages in favour of the diesel-electric locomotive. It did not