The TR GA class, later known as the EAR 53 class, was a class of 1,000 mm (3 ft 3+3⁄8 in) gauge 4-8-2+2-8-4 Garratt-type articulated steam locomotives...

The TR RV class, later known as the EAR 21 class, was a class of 1,000 mm (3 ft 3+3⁄8 in) gauge steam locomotives designed and built for the Tanganyika...

The TR ML class, later known and expanded as the EAR 26 class, was a class of 1,000 mm (3 ft 3+3⁄8 in) gauge 2-8-2 steam locomotives designed for and ordered...

The TR GSL class was a class of 1,000 mm (3 ft 3+3⁄8 in) gauge 0-4-0T geared steam locomotives built by Sentinel Waggon Works in Shrewsbury, Shropshire...

The TR DL class, later known as the EAR 23 class, was a class of 1,000 mm (3 ft 3+3⁄8 in) gauge 4-8-0 steam locomotives derived from the Nigerian Railways...

TR MK class, later known as the EAR 25 class, was a class of 1,000 mm (3 ft 3+3⁄8 in) gauge 2-8-2 steam locomotives. The eleven members of the class were...

The TR NZ class, later known as the EAR 22 class, was a class of 1,000 mm (3 ft 3+3⁄8 in) gauge 4-8-0 steam locomotives built in 1915 by Nasmyth, Wilson...

research, a genetic algorithm (GA) is a metaheuristic inspired by the process of natural selection that belongs to the larger class of evolutionary algorithms...

11 class, renumbered 1105-1131. In 1930, four similar locomotives were built by Vulcan Foundry for the Tanganyika Railway (TR) as the TR ST class. These...

France and Britain. The VPAM scale is as follows: The Technische Richtlinie (TR) Ballistische Schutzwesten is a regulation guide in Germany for body armor...