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
yacht services, yacht suppliers, boat. The stern is the back side of the boat or ship, it is the exact opposite end of the boat from the bow or front. It is technically defined as the area built up over the stern post, extending upwards from the counter rail to the taffrail.