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  2. Economic region of production - Wikipedia

    en.wikipedia.org/wiki/Economic_region_of_production

    The ridge lines A and B demarcate the technically efficient region of production. Above the line OA and below the line OB slope of the isoquants is positive which means that increases in both capital and labour are required to produce a given fixed quantity of output.

  3. Ridge - Wikipedia

    en.wikipedia.org/wiki/Ridge

    A ridge is a long, narrow, elevated geomorphologic landform, ... A shutter ridge is a ridge that has moved along a fault line, blocking or diverting drainage ...

  4. Ridge (differential geometry) - Wikipedia

    en.wikipedia.org/wiki/Ridge_(differential_geometry)

    The set of ridge points form curves on the surface called ridges. The ridges of a given surface fall into two families, typically designated red and blue, depending on which of the two principal curvatures has an extremum. At umbilical points the colour of a ridge will change from red to blue. There are two main cases: one has three ridge lines ...

  5. Ridge (meteorology) - Wikipedia

    en.wikipedia.org/wiki/Ridge_(meteorology)

    Ridge line extending to the left of the high pressure center (H). In meteorology a ridge or barometric ridge is an elongated area of relatively high atmospheric pressure compared to the surrounding environment, without being a closed circulation. [1] It is associated with an area of maximum anticyclonic curvature of wind flow.

  6. Trough (meteorology) - Wikipedia

    en.wikipedia.org/wiki/Trough_(meteorology)

    The weather charts in some countries or regions mark troughs by a line. In the United States, a trough may be marked as a dashed line or bold line. In the UK, Hong Kong [1] and Fiji, [2] it is represented by a bold line extended from a low pressure center [3] or between two low pressure centers; [4] in Macau [5] and Australia, [6] it is a

  7. List of roof shapes - Wikipedia

    en.wikipedia.org/wiki/List_of_roof_shapes

    Monitor roof: A roof with a monitor; 'a raised structure running part or all of the way along the ridge of a double-pitched roof, with its own roof running parallel with the main roof.' Butterfly roof (V-roof, [8] London roof [9]): A V-shaped roof resembling an open book. A kink separates the roof into two parts running towards each other at an ...

  8. The Real Reason for Ridges on Fingernails, According to Doctors

    www.aol.com/doctors-reveal-rid-those-annoying...

    Horizontal ridges, aka Beau’s lines, often happen when your body undergoes significant periods of stress and your nail stops growing, says Dr. Lal. Severe viral infections and illnesses.

  9. Ridgeway (road) - Wikipedia

    en.wikipedia.org/wiki/Ridgeway_(road)

    The ridge line rises and falls. Moreover, at some point the ridge ends, so that the route must descend to ford a stream before rising again to follow the next ridge. Loads on two-wheeled carts had to be constantly shifted to the back during descents and to the front during ascents so that the animals could draw efficiently.