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
A paddle is an implement for manually moving and guiding a small boat. A paddle consists of a shaft with a broad flat surface, called a blade, on one or both ends. The area where the blade joins or tapers into the shaft is called the throat. Paddles differ from oars in that they are used without oar locks, the attachments that clamp the oars to a boat.