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 21E Coal Terminal. They work directly from the coal mines around Ermelo, running under 3 kV DC catenary. The dual voltage Class 21E locomotives can therefore haul their loads directly from the mines all the way to Richards Bay without having to change locomotives in Ermelo to cater for the change in the power supply. South African Class 21E The Transnet Freight Rail Class 21E of 2014 is a South African electric locomotive. On 16 September 2014, the first of the Class 21E dual voltage electric locomotives for Transnet Freight Rail was rolled out at the CSR Zhuzhou Electric Locomotive Company