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  2. Riachuelo-class submarine - Wikipedia

    en.wikipedia.org/wiki/Riachuelo-class_submarine

    The project was initiated in 2010 with the Madeira Island base in Rio de Janeiro as the submarine development and manufacturing point. Between 2010 and 2012, a group of 31 engineers, 25 officers and 6 civil employees, received theoretical training by the DCNS in Cherbourg, France.

  3. Learning management system - Wikipedia

    en.wikipedia.org/wiki/Learning_management_system

    An LMS delivers and manages all types of content, including videos, courses, workshops, and documents. In the education and higher education markets, an LMS will include a variety of functionality that is similar to corporate but will have features such as rubrics, teacher and instructor-facilitated learning, a discussion board, and often the use of a syllabus.

  4. Class stratification - Wikipedia

    en.wikipedia.org/wiki/Class_stratification

    In the model there are two distinctive classes, the bourgeoisie and the proletariat. The bourgeoisie owns the means of production, and the proletariat are the exploited workers. Both of these classes can be broken down into six classes that make up Wright’s first schema. The supervisors and managers are in a contradictory class because they ...

  5. United States B-class submarine - Wikipedia

    en.wikipedia.org/wiki/United_States_B-class...

    For extended surface runs, the small sail was augmented with a temporary piping-and-canvas structure (see photo). Tactical doctrine for harbor defense submarines dictated that quick "crash dives" would not be necessary, thus the considerable time it took to dismantle this structure and stow it below was not considered a liability. [ 6 ]

  6. Wood - Wikipedia

    en.wikipedia.org/wiki/Wood

    A 2011 discovery in the Canadian province of New Brunswick yielded the earliest known plants to have grown wood, approximately 395 to 400 million years ago. [5] [6]Wood can be dated by carbon dating and in some species by dendrochronology to determine when a wooden object was created.

  7. The Ballet Class (Degas, Musée d'Orsay) - Wikipedia

    en.wikipedia.org/wiki/The_Ballet_Class_(Degas...

    The Ballet Class (French: La Classe de danse) is an oil painting on canvas painted between 1871 and 1874 by the French artist Edgar Degas. [1] It is in the collection of the Musée d'Orsay, Paris, France. [2] It was commissioned by Jean-Baptiste Faure. [3] Degas temporarily abandoned work on this painting, and delivered a work of a similar name ...

  8. Spartiate - Wikipedia

    en.wikipedia.org/wiki/Spartiate

    Spartiate-class people were expected to be supported by their kleroi and Helots, and to do no work, except that related to military conflict. All classes, including Helots, fought in the Spartan military. The Mothax class were particularly prominent as military leaders, and the Helots made up about 80% of the armed forces.

  9. Business Model Canvas - Wikipedia

    en.wikipedia.org/wiki/Business_Model_Canvas

    The Business Model Canvas is a strategic management template used for developing new business models and documenting existing ones. [2] [3] It offers a visual chart with elements describing a firm's or product's value proposition, [4] infrastructure, customers, and finances, [1] assisting businesses to align their activities by illustrating potential trade-offs.