Weber introduced three independent factors that form his theory of stratification hierarchy; class, status, and power: 1  Class: A person's economic position in a society. 2  Weber differs from Marx in that he does not see this as the supreme factor in stratification.
carina - any of various keel-shaped structures or ridges such as that on the breastbone of a bird or that formed by the fused petals of a pea blossom 3. keel - one of the main longitudinal beams (or plates) of the hull of a vessel; can extend vertically into the water to provide lateral stability
Full Keel, Fin Keel, and Other Keels The two most common keels on recreational sailboats are the full and the fin. A full keel, more likely to be fitted on blue-water sailboats, is much more stable than a fin keel, but slower, and more difficult to maneuver, particularly in close-quarters. Near-coastal and racing sailboats are usually equipped with some version of the fin keel. Conversely, the fin keel is comparatively smaller.