atmospheric brake
41Railway scale — Railroad Rail road (r[=a]l r[=o]d ), Railway Rail way (r[=a]l w[=a] ), n. 1. A road or way consisting of one or more parallel series of iron or steel rails, patterned and adjusted to be tracks for the wheels of vehicles, and suitably supported on …
42Railway slide — Railroad Rail road (r[=a]l r[=o]d ), Railway Rail way (r[=a]l w[=a] ), n. 1. A road or way consisting of one or more parallel series of iron or steel rails, patterned and adjusted to be tracks for the wheels of vehicles, and suitably supported on …
43Railway spine — Railroad Rail road (r[=a]l r[=o]d ), Railway Rail way (r[=a]l w[=a] ), n. 1. A road or way consisting of one or more parallel series of iron or steel rails, patterned and adjusted to be tracks for the wheels of vehicles, and suitably supported on …
44Underground railroad — Railroad Rail road (r[=a]l r[=o]d ), Railway Rail way (r[=a]l w[=a] ), n. 1. A road or way consisting of one or more parallel series of iron or steel rails, patterned and adjusted to be tracks for the wheels of vehicles, and suitably supported on …
45Underground railway — Railroad Rail road (r[=a]l r[=o]d ), Railway Rail way (r[=a]l w[=a] ), n. 1. A road or way consisting of one or more parallel series of iron or steel rails, patterned and adjusted to be tracks for the wheels of vehicles, and suitably supported on …
46Composite material — A cloth of woven carbon fiber filaments, a common element in composite materials Composite materials, often shortened to composites or called composition materials, are engineered or naturally occurring materials made from two or more constituent …
47Wind turbine — Offshore wind farm using 5MW turbines REpower 5M in the North Sea off Belgium This article discusses wind powered electrical generators. See windmill for wind powered machinery used to grind grain or pump water. A wind turbine is a device that… …
48PT-76 — Infobox Weapon|is vehicle=yes name=PT 76 caption=PT 76 on display near the Museum of the Great Patriotic War, Kiev. type=Amphibious Light Tank origin=flagcountry|Soviet Union service=16 August 1952 present used by=See Operators wars=See Combat… …
49United States — a republic in the N Western Hemisphere comprising 48 conterminous states, the District of Columbia, and Alaska in North America, and Hawaii in the N Pacific. 267,954,767; conterminous United States, 3,022,387 sq. mi. (7,827,982 sq. km); with… …
50History of Formula One — Formula One has its roots in the European Grand Prix motor racing ( q.v. for pre 1947 history) of the 1920s and 1930s. However, the foundation of Formula One began in 1946 with the Fédération Internationale de l Automobile s (FIA s)… …
