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  2. Class: A Guide Through the American Status System - Wikipedia

    en.wikipedia.org/wiki/Class:_A_Guide_Through_the...

    Fussell argues that the American middle class has experienced "prole drift" dragging it downward and effectively joining it to the proletarian class. Whereas a university education used to be rarer and a clear class divider separating middles from the high school education of proles, Fussell reports that the vast proliferation of hundreds of mediocre "universities" in the U.S. has rendered ...

  3. History of water supply and sanitation - Wikipedia

    en.wikipedia.org/wiki/History_of_water_supply...

    The history of water supply and sanitation is one of a logistical challenge to provide clean water and sanitation systems since the dawn of civilization. Where water resources, infrastructure or sanitation systems were insufficient, diseases spread and people fell sick or died prematurely. Astronaut Jack Lousma taking a shower in space, 1974.

  4. Balao-class submarine - Wikipedia

    en.wikipedia.org/wiki/Balao-class_submarine

    1 × 5-inch (127 mm) / 25 caliber deck gun [ 4] Bofors 40 mm and Oerlikon 20 mm cannon. The Balao class was a design of United States Navy submarine used during World War II, and with 120 [ 2] boats completed, the largest class of submarines in the United States Navy. An improvement on the earlier Gato class, the boats had slight internal ...

  5. Classes of supply - Wikipedia

    en.wikipedia.org/wiki/Classes_of_supply

    Class I – Items of subsistence, e.g., food and forage, which are consumed by personnel or animals at an approximately uniform rate, irrespective of local changes in combat or terrain conditions. Class II – Supplies for which allowances are established by tables of organization and equipment, e.g., clothing, weapons, tools, spare parts ...

  6. Social class in American history - Wikipedia

    en.wikipedia.org/wiki/Social_class_in_American...

    Social class in American history. Social class is an important theme for historians of the United States for decades. The subject touches on many other elements of American history such as that of changing U.S. education, with greater education attainment leading to expanding household incomes for many social groups.

  7. Social class in the United States - Wikipedia

    en.wikipedia.org/wiki/Social_class_in_the_United...

    v. t. e. Social class in the United States refers to the idea of grouping Americans by some measure of social status, typically by economic status. However, it could also refer to social status and/or location. [ 1] The idea that American society can be divided into social classes is disputed, and there are many competing class systems.

  8. Los Angeles-class submarine - Wikipedia

    en.wikipedia.org/wiki/Los_Angeles-class_submarine

    USS Los Angeles, lead boat of the class. The Los Angeles class of submarines are nuclear-powered fast attack submarines ( SSN) in service with the United States Navy. Also known as the 688 class (pronounced "six-eighty-eight") after the hull number of lead vessel USS Los Angeles (SSN-688), 62 were built from 1972 to 1996, the latter 23 to an ...

  9. 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 ...