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  2. Contour drawing - Wikipedia

    en.wikipedia.org/wiki/Contour_drawing

    Contour drawing is an essential technique in the field of art because it is a strong foundation for any drawing or painting; it can potentially modify a subjects’ form through variation within the lines. It is widely accepted among schools, art institutions, and colleges as an effective training aid and discipline [3] for beginner artists. In ...

  3. Keyline design - Wikipedia

    en.wikipedia.org/wiki/Keyline_design

    Random contour plowing also becomes off contour but usually with the opposite effect on runoff, namely causing it to quickly run off ridges and concentrate in valleys. The limitations of the traditional system of soil conservation , with its "safe disposal" approach to farm water , was an important motivation to develop Keyline design.

  4. Elements of art - Wikipedia

    en.wikipedia.org/wiki/Elements_of_art

    There are different types of lines artists may use, including, actual, implied, vertical, horizontal, diagonal and contour lines, which all have different functions. [3] Lines are also situational elements, requiring the viewer to have knowledge of the physical world in order to understand their flexibility, rigidity, synthetic nature, or life. [1]

  5. Blind contour drawing - Wikipedia

    en.wikipedia.org/wiki/Blind_contour_drawing

    Blind contour drawing is a drawing exercise, where an artist draws the contour of a subject without looking at the paper. The artistic technique was introduced by Kimon Nicolaïdes in The Natural Way to Draw , and it is further popularized by Betty Edwards as "pure contour drawing" in The New Drawing on the Right Side of the Brain .

  6. Line art - Wikipedia

    en.wikipedia.org/wiki/Line_art

    One of the most fundamental elements of art is the line. An important feature of a line is that it indicates the edge of a two-dimensional (flat) shape or a three-dimensional form. A shape can be indicated by means of an outline, and a three-dimensional form can be indicated by contour lines. [1]

  7. Trump warns BRICS nations against replacing US dollar

    www.aol.com/news/trump-warns-brics-nations...

    U.S. President-elect Donald Trump on Saturday demanded that BRICS member countries commit to not creating a new currency or supporting another currency that would replace the United States dollar ...

  8. Is It Safe to Use Expired Vitamins? The Truth About Vitamin ...

    www.aol.com/vitamins-expire-nutritionists-weigh...

    The bottom line. Most vitamins are considered safe for up to two years past their expiration date (unless they contain mold), but may become less potent over time. Pregnant women and people in ...

  9. Cross section (geometry) - Wikipedia

    en.wikipedia.org/wiki/Cross_section_(geometry)

    The boundary of a cross-section in three-dimensional space that is parallel to two of the axes, that is, parallel to the plane determined by these axes, is sometimes referred to as a contour line; for example, if a plane cuts through mountains of a raised-relief map parallel to the ground, the result is a contour line in two-dimensional space ...