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
It totally depends on the boat and personal preference. The steering wheel on a power boat is usually called a steering wheel. The steering wheel on a ship, yacht or sail boat is usually called the ship's wheel. The steering wheel on an inboard motor boat may be called the rudder. (even though it's not actually the rudder) Just depends on who it is doing the calling.