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  • 51Цена на нефть — Нефтяные вышки в Лос Анджелесе (1896) Цена на нефть, $ за баррель, 1997 2008 (NYMEX Light Sweet Crude Oil Futures Prices) Цена на нефть, $ за баррель, 1998 ноябрь 2008 …

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  • 52Economy of Sudan — Macro economic trend = Sudan s primary resources are agricultural, but oil production and export are taking on greater importance since October 2000. Although the country is trying to diversify its cash crops, cotton and gum Arabic remain its… …

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  • 53Carbon tax — Part of a series on Green economics Concepts …

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  • 54Electric vehicle — Sustainable energy Renewable energy …

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  • 55Uranium mining in the United States — declined drastically in the 1980s, but has revived since 2001 due to higher uranium prices. The average spot price of uranium oxide (U3O8) increased from $7.92 per pound in 2001 to $39.48 per pound in 2006. [Department of Energy s [http://www.eia …

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  • 56Surface-mount technology — (SMT) is a method for constructing electronic circuits in which the components (SMC, or Surface Mounted Components) are mounted directly onto the surface of printed circuit boards (PCBs). Electronic devices so made are called surface mount… …

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  • 57Electricity sector in Paraguay — Source : ESMAP, 2006 Access to electricity In 2005, almost 90% of the population in Paraguay had access to electricity, which is just slightly below than the 94.6% average for LAC [http://info.worldbank.org/etools/lacelectricity/home.htm… …

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  • 58Natural gas — For other uses, see Natural gas (disambiguation). Natural gas extraction by countries in cubic meters per year. Natural gas is a naturally occurring gas mixture consisting primarily of methane, typically with 0–20% higher hydrocarbons[1] …

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  • 59Personal Communications Service — This article is about the mobile phone service type. For the North American Numbering Plan 5XX area codes, see Personal Communications Service (NANP). At the most basic level Personal Communications Service or PCS describes a set of wireless… …

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  • 60Energy policy of Kazakhstan — Kazakhstan owns large reserves of energy resources, and therefore the energy policy of Kazakhstan has influence over the world s overall energy supply. Although Kazakhstan has not described itself as an energy superpower, Kazakhstan s president… …

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