Caso (Asturian: Casu) is a municipality in the Spanish Principality of Asturias. It shares a boundary to the North with Piloña; to the East with Ponga; to the South with León and to the West with Sobrescobio and Laviana.
Most of the inhabitants of Caso live in the Nalón Valley, on which the largest town is the capital El Campu. The town is divided in two neighbourhoods: L'Arrobiu and El Barru.
The municipalities of Caso and Sobrescobio together constitute the Redes Natural Park, designated by the UNESCO as a Biosphere Reserve. The Natural Monument of the Cueva Deboyu (the Nalón River passes through a cave in the mountain) is also located in Caso. Caso is famous for its landscape, European beech forests, wood handcraft and its Casín cheese.
In the past, most of Caso's people worked in coal mining and livestock farming. Nowadays, tourism has become one of the more important activities in Caso, but farming is still the most relevant.
The Dam of Tanes provides electric energy and drinking water to the central part of Asturias.
Calcium sulfite, or calcium sulphite, is a chemical compound which is the calcium salt of sulfurous acid with the molecular formula CaSO3. Some common uses areits production in flue gas desulfurization (FGD), as a food additive, and in the production of calcium sulfate. It commonly reacts to create calcium sulfite hemihydrate when in the presence of moist air.
Calcium sulfite can be used in the production of wood pulp through the Kraft Process. Chemical wood pulping is the removal of cellulose from wood by dissolving the lignin that binds the cellulose together. Calcium sulfite was used, but has been largely replaced by magnesium and sodium sulfites and bisulfites to attack the lignin[].
As a food additive it is used as a preservative under the E number E226. It is commonly used in preserving wine, cider, fruit juice, canned fruit and vegetables. Sulfites are strong reducers, as sulfate formation is favored so they act as somewhat of an O2 scavenger to preserve food.
Calcium sulfate (or calcium sulphate) is the inorganic compound with the formula CaSO4 and related hydrates. In the form of γ-anhydrite (the anhydrous form), it is used as a desiccant. One particular hydrate is better known as plaster of Paris, and another occurs naturally as the mineral gypsum. It has many uses in industry. All forms are white solids that are poorly soluble in water.
The compound exists in three levels of hydration:
The main use of calcium sulfate is to produce Plaster of Paris and stucco. These applications exploit the fact that calcium sulfate forms a moldable paste upon hydration and hardens as a hemihydrate. It is also convenient that calcium sulfate is very poorly soluble in water, so structures do not dissolve.
The Canada Southern Railway (reporting mark CASO), also known as CSR, was a railway in southwestern Ontario, Canada, founded on February 28, 1868 as the Erie and Niagara Extension Railway. It adopted the Canada Southern Railway name on December 24, 1869. The railway was leased to the Michigan Central Railroad (MCR) for 99 years; in 1929 it was subleased to the New York Central Railroad (NYC). Its successors Penn Central (formed 1968) and Conrail (formed 1976) later exercised control before being sold to CN/CP in 1985.
The corporate history of the Canada Southern Railway Company is complex. In 1874, CSR declared bankruptcy and within two years was taken over by the railroad magnate, Cornelius Vanderbilt, who owned the New York Central (NYC) as well as other railroads. When Cornelius died in 1877, his son, William, became head of the Vanderbilt railroad empire. The younger Vanderbilt took steps to separate the various railroad properties he controlled. On 1 January 1883, NYC was able to lease the CSR to another Vanderbilt railroad company, the Michigan Central Railroad (MCR), on a 21-year renewable term. William Vanderbilt, who owned all three companies, ensured that each one operated independently, through its own autonomous president and board of directors. In 1929, MCR subleased CSR to NYC, its parent company.
Asturias (English /ɑːˈstʊəriəsˌ ə-/; Spanish: [asˈtuɾjas]; Asturian: Asturies [asˈtuɾjes]), officially the Principality of Asturias (Spanish: Principado de Asturias; Asturian: Principáu d'Asturies), is an autonomous community in north-west Spain. It is coextensive with the province of Asturias, and contains some of the territory that was part of the larger Kingdom of Asturias in the Middle Ages. Divided into eight comarcas (counties), the autonomous community of Asturias is bordered by Cantabria to the east, by Castile and León to the south, by Galicia to the west, and by the Bay of Biscay to the north.
The most important cities are the communal capital, Oviedo (Uviéu or Uvieo), the seaport and largest city Gijón (Xixón), and the industrial town of Avilés. Other municipalities in Asturias include Cangas de Onís (Cangues d'Onís), Cangas del Narcea, Gozón, Grado (Grau or Grao), Langreo (Llangréu), Llanera, Laviana (Llaviana), Lena (Ḷḷena), Llanes, Mieres, Siero, Valdés, Vegadeo (A Veiga) and Villaviciosa (see also List of municipalities and comarcas in Asturias).
Coordinates: 43°20′N 6°00′W / 43.333°N 6.000°W / 43.333; -6.000Asturias is one of the 52 electoral districts (Spanish: circunscripciones) used for the Spanish Congress of Deputies – the lower chamber of the Spanish Parliament, the Cortes Generales. The method of election is the D'Hondt method and a closed-list proportional representation, with a minimum threshold of 3%.
The largest municipalities are Gijón and Oviedo, with a population of over 200,000. The next municipalities in size, with a population over 40,000, are Avilés, Siero, Langreo and Mieres.
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The urban sculpture known by the name of Asturias is located in calle Uría, in front of the Renfe-FEVE railway station, in the city of Oviedo, Principality of Asturias, Spain. It is one of over a hundred sculptures that adorn the streets of that city.
The sculpture, executed in coal and steel, is the work of José Noja, and dates from 1991. It was commissioned from Noja by the rail company Renfe, which sought a work of art to adorn the rail station of Oviedo. This large-scale work is intended as a homage to the Principality of Asturias, and so it incorporates materials such as coal that are characteristic of Asturian industry.
Coordinates: 43°21′58″N 5°51′17″W / 43.3662°N 5.8547°W / 43.3662; -5.8547