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Keywords from Image Description:
Aire anneau developpement fibre neutre dm.svg en Area of ring calculated by the development at the neutral fiber fr Aire d'un anneau calcul par dveloppement la fibre neutre Aireanneaudeveloppementfibreneutre svg UTC Aireanneaudeveloppementfibreneutre svg Cdang derivative work Cdang talk Dm middle diameter cdang Aireanneaudeveloppementfibreneutre