| Ammonia Ammonia is a compound of nitrogen and hydrogen with the formula NH3. It is normally encountered as a gas with a characteristic pungent odor. Ammonia contributes significantly to the nutritional needs of terrestrial organisms by serving as a precursor to foodstuffs and fertilizers. Ammonia
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| Airline airline provides air transport services for passengers or freight, generally with a recognized operating certificate or license. Airlines lease or own their aircraft with which to supply these services and may form partnerships or alliances with other airlines for mutual benefit.Airlines vary from those with a single airplane carrying mail or cargo, through full-service international airlines operating hundreds of airplanes. Airline services can be categorized as being intercontinental, intra c Airline
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| Automobile Talk:Automobile
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| Advertising Advertising is a form of communication that typically attempts to persuade potential customers to purchase or to consume more of a particular brand of product or service. “While now central to the contemporary global economy and the reproduction of global production networks, it is only quite recently that advertising has been more than a marginal influence on patterns of sales and production. Advertising
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| Bill Clinton William Jefferson "Bill" Clinton (born William Jefferson Blythe III, August 19, 1946) served as the 42nd President of the United States from 1993 to 2001. He was the third-youngest president; only Theodore Roosevelt and John F. Kennedy were younger when entering office. Bill_Clinton
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| Bridge bridge is a structure built to span a valley, road, railroad track, river, body of water, or any other physical obstacle, for the purpose of providing passage over the obstacle. Designs of bridges will vary depending on the function of the bridge and the nature of the terrain where the bridge is to be constructed. Bridge
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| Brick brick is a block of ceramic material used in masonry construction, usually laid using mortar. Brick
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| Concrete Concrete is a construction material composed of cement (commonly Portland cement) as well as other cementitious materials such as fly ash and slag cement, aggregate (generally a coarse aggregate such as gravel, limestone, or granite, plus a fine aggregate such as sand), water, and chemical admixtures. The word concrete comes from the Latin word "concretus" (meaning compact or condensed), the past participle of "concresco", from "com-" (together) and "cresco" (to grow). Concrete
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| Cycling Cycling, also known as biking, is the use of bicycles, or – less commonly – unicycles, tricycles, quadricycles and other similar wheeled human powered vehicles (HPVs) as a means of transport, a form of recreation or a sport. It is done on roads and paths, across open country or even over snow and ice (icebiking). Cycling
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| Cement cement is a binder, a substance which sets and hardens independently, and can bind other materials together. The word "cement" traces to the Romans, who used the term "opus caementicium" to describe masonry which resembled concrete and was made from crushed rock with burnt lime as binder. Cement
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| Chicago Chicago ( or Chicago
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| Detroit Detroit (; from "strait", ) is the largest city in the U.S. state of Michigan and the seat of Wayne County. Detroit is a major port city on the Detroit River, in the Midwest region of the United States. Located north of Windsor, Ontario, Detroit is the only major U.S. Detroit
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| Recreational use of dextromethorphan For general information on this drug, including medical usage, see dextromethorphan.Dextromethorphan or DXM, an active ingredient found in most cough suppressant cold medicines, is commonly used as a recreational drug. Recreational_use_of_dextromethorphan
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| MDMA MDMA (3,4-methylenedioxymethamphetamine, also known as ecstasy) is a semisynthetic member of the amphetamine class of psychoactive drugs. It is considered unusual for its tendency to produce a sense of intimacy with others and diminished feelings of fear and anxiety. MDMA
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| Freeway freeway is a type of road designed for safer high-speed operation of motor vehicles through the elimination of at-grade intersections. This is accomplished by preventing access to and from adjacent properties and eliminating all cross traffic through the use of grade separations and interchanges; railroad crossings are also removed. Freeway
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| Great Lakes Great Lakes are a chain of freshwater lakes located in eastern North America, on the Canada – United States border. Consisting of Lakes Superior, Michigan, Huron, Erie, and Ontario, they form the largest group of freshwater lakes on Earth. They are sometimes referred to as the "Third Coast" by some citizens of the United States. Because of their size, some regard them as inland seas. Great_Lakes
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| Golden Gate Bridge Golden_Gate_Bridge
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| Missouri Missouri
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| Motorcycle motorcycle (also called a motorbicycle, motorbike, bike, or cycle) is a single-track, two-wheeled motor vehicle. Motorcycles vary considerably depending on the task for which they are designed, such as long distance travel, navigating congested urban traffic, cruising, sport and racing, or off-road conditions. Being the most affordable form of motorised transport, in some parts of the world they are also the most widespread (e.g., Vietnam). Motorcycle
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| Morphine Morphine
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| Object database object database (also object-oriented database) is a database model in which information is represented in the form of objects as used in object-oriented programming. Object_database
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| Gasoline Gasoline or petrol is a petroleum-derived liquid mixture, primarily used as fuel in internal combustion engines. It also is used as a powerful solvent much like acetone. Gasoline
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| Phencyclidine Phencyclidine (a complex clip of the chemical name phenylcyclohexylpiperidine, commonly initialised as PCP), also known as angel dust and other street names, is a dissociative drug formerly used as an anaesthetic agent, exhibiting hallucinogenic and neurotoxic effects. Phencyclidine
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| Ralph Nader Ralph Nader (born February 27, 1934) is an American attorney, author, lecturer, political activist, and perennial candidate for presidency as an independent candidate for President of the United States in 2004 and 2008, and a Green Party candidate in 1996 and 2000. Ralph_Nader
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| Relational model relational model for database management is a database model based on first-order predicate logic, first formulated and proposed in 1969 by E.F. Codd Relational_model
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| South Dakota South_Dakota
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| Saint Lawrence Seaway The St. Lawrence Seaway is the common name for a system of canals that permits ocean-going vessels to travel from the Atlantic Ocean to the North American Great Lakes, as far as Lake Superior. Legally it extends from Montreal to Lake Erie, including the Welland Canal and the locks at Sault Ste. Saint_Lawrence_Seaway
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| Ship ship is a large vessel that floats on water. Ships are generally distinguished from boats based on size and passenger capacity. Ships may be found on lakes, seas, and rivers and they allow for a variety of activities, such as the transport of people or goods, fishing, entertainment, public safety, and warfare.Ships and boats have developed alongside mankind. Ship
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| Ship transport Ship transport refers to the use of watercraft to carry people, generally referred to as passengers, and goods, generally referred to as cargo, from one place to another. Ship_transport
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| Salamander Salamander is a common name of approximately 500 species of amphibians. They are typically characterized by their slender bodies, short noses, and long tails. All known fossils and extinct species fall under the order Caudata, while sometimes the extant species are grouped together as the Urodela. Salamander
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| Truck A truck (American English) or lorry (British English) is a motor vehicle commonly used for carrying goods and materials. Some light trucks/lorries are similar in size to a passenger automobile. Commercial transportation trucks/lorries or fire trucks can be large and can also serve as a platform for specialized equipment. Truck
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| Transportation in the United States Transportation in the United States is facilitated by road, air, rail, and water networks. The vast majority of passenger travel occurs by automobile for shorter distances, and airplane for longer distances. In descending order, most cargoes travel by railroad, truck, pipeline, or boat; air shipping is typically used only for perishables and premium express shipments. Transportation_in_the_United_States
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| United States Coast Guard The United States Coast Guard (USCG) is a branch of the United States Armed Forces and one of seven uniformed services. It is unique among the military branches in that it has a maritime law enforcement mission (with jurisdiction both domestically and in international waters) and a federal regulatory agency mission as part of its mission set. United_States_Coast_Guard
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| Woodrow Wilson Thomas Woodrow Wilson (December 28, 1856–February 3, 1924) was the 28th President of the United States. A leading intellectual of the Progressive Era, he served as President of Princeton University from 1902 to 1910, and then as the Governor of New Jersey from 1911 to 1913. Woodrow_Wilson
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| Long Island Rail Road Long Island Rail Road or LIRR is a commuter rail system serving the length of Long Island, New York that has been classified as a Class II railroad by the Surface Transportation Board. It is the busiest commuter railroad in North America, servicing around 81 million passengers each year, and the oldest US railroad still operating under its original name and charter. Long_Island_Rail_Road
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| Interstate Highway System The Dwight D. Eisenhower National System of Interstate and Defense Highways, commonly called the Interstate Highway System (or simply, the Interstate System), is a network of limited-access highways (also called freeways or expressways) in the United States that is named for President Interstate_Highway_System
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| United States Numbered Highways The system of United States Numbered Highways (often called U.S. Routes or U.S. Highways) is an integrated system of roads and highways in the United States numbered within a nationwide grid. As these highways were coordinated among the states, they are infrequently referred to as Federal Highways, but they have always been maintained by state or local governments since their initial designation in 1926. United_States_Numbered_Highways
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| Manhattan Manhattan is one of the five boroughs of New York City, located primarily on Manhattan Island at the mouth of the Hudson River.New York County, which has the same boundaries as the Borough of Manhattan (and which should not be confused with New York City), is the most densely populated county in the United States, with a 2008 population of 1,634,795 living in a land area of 22.96one of the wealthiest counties in the United States, with a 2005 personal income per capita above $100,000. Manhattan
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| United States Secretary of Transportation The United States Secretary of Transportation is the head of the United States Department of Transportation. The Secretary is a member of the President's Cabinet. Ray LaHood is the current Secretary of Transportation. United_States_Secretary_of_Transportation
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| Dch User:Dch
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| Henry Barnes (traffic engineer) Henry A. Barnes (c.1907 – September 1968) was an American traffic engineer and commissioner who served in many cities, including Flint, Michigan; Denver, Colorado; Baltimore, Maryland; and New York City. Barnes was responsible for many innovations in applied traffic engineering, including the Green Wave of coordinated traffic signals, the application of actuated traffic signals (signals set off by the presence of an automobile or a pedestrian pushing a button), and the introduction of bus lanes. Henry_Barnes_(traffic_engineer)
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| High-speed rail High-speed rail is a type of passenger rail transport that operates significantly faster than the normal speed of rail traffic. Specific definitions include 200European Union, and above 90United States Federal Railroad Administration, but there is no single standard, and lower speeds can be required by local constraints. High-speed_rail
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| Containerization Containerization (or containerisation) is a system of intermodal freight transport using standard intermodal containers that are standardised by the International Organization for Standardization (ISO). These can be loaded and sealed intact onto container ships, railroad cars, planes, and trucks. Containerization
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| High-speed rail Talk:High-speed_rail
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| Kilometre The kilometre (American spelling:kilometer), symbol km is a unit of length in the metric system, equal to one thousand metres. It is the conventionally used measurement unit for expressing distances between geographical places in countries which use the metric system. While it is defined exactly as 1000 m, it equals roughly a ten minutes' walk. Slang terms for kilometre include click (sometimes spelled klick or klik) and kay (or k). Kilometre
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| Interstate Highway System Talk:Interstate_Highway_System
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| Light rail For specific light rail systems, many of which use the words "light rail" as part of their name, see List of tram and light-rail transit systems.Light rail or light rail transit (LRT) is a Light_rail
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| Transport economics Transport economics is a branch of economics that deals with the allocation of resources within the transport sector and has strong linkages with civil engineering. Transport economics differs from some other branches of economics in that the assumption of a spaceless, instantaneous economy does not hold. Transport_economics
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| Seat belt seat belt, sometimes called a safety belt, is a safety harness designed to secure the occupant of a vehicle against harmful movement that may result from a collision or a sudden stop. As part of an overall occupant restraint system, seat belts are intended to reduce injuries by stopping the wearer from hitting hard interior elements of the vehicle or other passengers (the so-called second impact) and by preventing the passenger from being thrown from the vehicle. Seat_belt
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| Scooter (motorcycle) scooter is a motorcycle with step-through architecture and either a platform for the operator's feet or or footrests integral with the bodywork. Elements of scooter design have been noted in some of the earliest motorcycles, and motorcycles identifiable as scooters have been made from 1914 or earlier. Scooter_(motorcycle)
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