Because of their high reactivity, they must be stored under oil in sealed glass ampoules to prevent reaction with air.

Because of lack of financing, the development of oil fields near Doba, originally due to finish in 2000, was delayed until 2003.

Because of the high reactivity, samples of solid europium rarely have the shiny appearance of the fresh metal, even when coated with a protective layer of mineral oil.

Because the Gabonese economy is dependent upon oil ( crude oil accounts for over 80 % of the country ’ s exports, 43 % of GDP, and 65 % of state revenue ), it is subject to worldwide price fluctuations.

Because of the Balkans were rich in raw materials like iron, zinc and above all oil that could help Germany survive a British blockade, it was viewed as highly important by the Allies to keep German influence in the Balkans to a minimum, hence British efforts to link British promises to support Turkey in the event of an Italian attack in exchange for Turkish promises to help defend Romania from a German attack.

Because these solvents thin the oil in the paint, they can also be used to clean paint brushes.

Because potassium reacts with water vapor present in the air, it is usually stored under anhydrous mineral oil or kerosene.

Because it cannot be applied in thick layers as oil paints can, tempera paintings rarely have the deep color saturation that oil paintings can achieve.

Because countries like Gabon and Nigeria account for as much as 15 % of US crude oil imports, US companies are believed to regard the area as highly prospective.

Because of the oil boom since the 1970s, there has been little extensive government incentive to help develop and encourage new industries in the private sector, in contrast to other Nordic countries like Sweden and particularly Finland.

Because gas floats above oil, the thin red contour line marks the gas / oil contact zone.

The contour interval is 2 ft between successive contour line s. Because oil floats above water, the outer red color indicates the elevation of the water / oil contact zone, which is at the bottom of the Petroleum reservoir.

Because gas floats above oil, the thin red contour line marks the gas / oil contact zone.

Because gases are expelled but not admitted this creates a slight vacuum in the crankcase so that any weak joint or failed seal causes air to be sucked in rather than allowing oil to leak out.

Because of the lower levels of the toxic and irritating properties of genetically modified rapeseed oil, Canola oil is a more promising source for manufacturing biodiesel than the natural oil as a renewable alternative to fossil fuels.

Because of the great wealth being generated by oil, an estimated 60 tribal members were killed as whites tried to gain their headrights, royalties or land.

Because Plaquemines Parish encompasses the last of the Mississippi River, it is the site of several oil refineries, which rely on the shipping lanes for moving their product.

Because of its wealth of experience, the Organization for European Economic Cooperation could help with the initial studies needed.

Because of the nomadic way of life the main wealth of the people are their cattle that are bred for sale, milked or shorn for their wool.

Because no national economy in existence fully manifests the ideal of a free market as theorized by economists, some critics of the concept consider it to be a fantasy – outside of the bounds of reality in a complex system with opposing interests and different distributions of wealth.

Because of Koyama's considerable wealth, money was rarely considered an obstacle ; estimates at the time of completion put the cost of the project at US $ 350 million.

Because wealth was imbedded in movable property, refuge was tolerated by neighbouring Shaikhs, and Britain intervened only when important interests were at stake, secession was an effective merchant tactic.

Because the individual must pay zakat on the net wealth, wealthy Muslims are compelled to invest in profitable ventures, or otherwise see their wealth slowly erode.

Because of the increase in wealth of the trading cities of northern Italy, there occurred a revival in the study of the Justinian Code.

Because the lucrative production and export of balsam was centered in Jericho, his position would have carried both importance and wealth.

Because of the wealth of natural resources found in Grant County, agriculture, ranching, and timber industries naturally grew with and contributed to the development of the county.

Because of the family's wealth, Diane was insulated from the effects of the Great Depression while growing up in the 1930s.

Because the terrain was extremely rugged and lacked any major sources of wealth such as mineral riches, the area that is now Montenegro became a haven for residual groups of earlier settlers, including some tribes who had escaped Romanisation.

Because of the importance of wealth in defining social status, divisions between classes were less sharply defined and social mobility was much greater than elsewhere.

Because of regional affiliations Evagrius depicts the emperor in a more sympathetic light, praising his moderate approach to justice and his restraint towards excessive persecution, yet still decrying his heresy and displays of wealth.

Because of his family's wealth, Venustiano was able to attend excellent schools in Saltillo and Mexico City.

Because of its extensive wealth and responsibilities the Corporation has a number of officers and officials unique to its structure who enjoy more autonomy from each other with separate purses:

Because New Providence's harbour was close to the Florida Strait, it became a nest for pirates preying on mainly Spanish shipping returning to Spain with gold, silver, and other wealth.

Because of this very aspect, Spartan legislation famously forbade issuance of Spartan coin, and enforced the continued use of iron spits so as to discourage avarice and the hoarding of wealth.

Because Eden is a rough, uneducated sailor from a working-class background and the Morses are a bourgeois family, a union between them would be impossible until he reaches their level of wealth and refinement.

Because irrigation was the source of wealth and foundation of the empire, the Moche culture emphasized the importance of circulation and flow.

Because of the wealth at stake, different European-American governments competed with each other for control of the fur trade with the various native societies.

Because of the relative wealth of evidence from Athens it is the best understood of all the Hellenic calendars.

Because she was a longtime correspondent of the poets she supported, her letters provide a wealth of information on their thoughts and motives.

Because of its high level of pectin, guavas are extensively used to make candies, preserves, jellies, jams, and marmalades ( such as Brazilian goiabada and Colombian and Venezuelan bocadillo ), and also for juices and aguas frescas.

Because of his brave participation in the Battle of Carabobo, Venezuelan independence hero Simón Bolívar dubbed him the First Spear of the East.

Because of this earthquake and a rebellion by the Venezuelan Llaneros and Canarians, the First Republic of Venezuela was toppled.