Western culture or Western civilization is a term used to refer to the cultures of the people of European origin and their descendants.
Part of the Hardware glossary: A turbine is a machine that transforms rotational energy from a fluid that is picked up by a rotor system into usable work or energy. Turbines achieve this either through mechanical gearing or electromagnetic induction to produce electricity. Types of turbines include steam turbines, wind turbines, gas turbines or water turbines. Mechanical uses of turbine power go back to ancient Greece.
A propeller can be defined as follows: A mechanical device formed by two or more blades that spin around a shaft and produces a propelling force in boats (or airplanes). There are several technical terms to define the propeller's characteristics such as: diameter, pitch, disc area relation, hub, bore etc.