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  2. Self-supply of water and sanitation - Wikipedia

    en.wikipedia.org/wiki/Self-supply_of_water_and...

    Clean water technology can be found in the form of drinking straw filtration. Used as solution by Water Is Life, the straw is small, portable, and costs US$10 per unit. The filtration device is designed to eliminate waterborne diseases, and as a result, provide safe drinking water for one person for one year. Emas pump

  3. History of the United States dollar - Wikipedia

    en.wikipedia.org/wiki/History_of_the_United...

    t. e. The history of the United States dollar began with moves by the Founding Fathers of the United States of America to establish a national currency based on the Spanish silver dollar, which had been in use in the North American colonies of the Kingdom of Great Britain for over 100 years prior to the United States Declaration of Independence.

  4. Water storage - Wikipedia

    en.wikipedia.org/wiki/Water_storage

    Water storage. Water storage is a broad term referring to storage of both potable water for consumption, and non potable water for use in agriculture. In both developing countries and some developed countries found in tropical climates, there is a need to store potable drinking water during the dry season. In agriculture water storage, water is ...

  5. United States dollar - Wikipedia

    en.wikipedia.org/wiki/United_States_dollar

    The United States dollar ( symbol: $; currency code: USD; also abbreviated US$ to distinguish it from other dollar-denominated currencies; referred to as the dollar, U.S. dollar, American dollar, or colloquially buck) is the official currency of the United States and several other countries.

  6. List of community currencies in the United States - Wikipedia

    en.wikipedia.org/wiki/List_of_community...

    Fairbuck Fairfax, California (2011–2016) Humboldt Hours Eureka, California, and Arcata, California. Mendocino SEED Fort Bragg, California. North Fork Shares North Fork, California. San Luis Obispo Hours San Luis Obispo, California. Sand Dollars Bolinas, California.

  7. Monetary policy of the United States - Wikipedia

    en.wikipedia.org/wiki/Monetary_policy_of_the...

    v. t. e. The Headquarters of the Federal Reserve System in Washington, D.C. The monetary policy of The United States is the set of policies which the Federal Reserve follows to achieve its twin objectives of high employment and stable inflation. [1] The US central bank, The Federal Reserve System, colloquially known as "The Fed", was created in ...

  8. Economic history of the United States - Wikipedia

    en.wikipedia.org/wiki/Economic_history_of_the...

    The economic history of the United States is about characteristics of and important developments in the economy of the U.S., from the colonial era to the present. The emphasis is on productivity and economic performance and how the economy was affected by new technologies, the change of size in economic sectors and the effects of legislation and government policy.

  9. Water tariff - Wikipedia

    en.wikipedia.org/wiki/Water_tariff

    A water tariff (often called water rate in the United States and Canada) is a price assigned to water supplied by a public utility through a piped network to its customers. The term is also often applied to wastewater tariffs. Water and wastewater tariffs are not charged for water itself, but to recover the costs of water treatment, water ...