👉 The term "impellors" is often used in science to describe a substance that provides resistance or force to the movement of an object, such as a car. Impellers are devices that help to increase the flow rate and power output of an engine by rotating around a fixed axis, which can be driven by external forces such as a crankshaft or a motor. Impellors are typically made of materials like copper, bronze, or steel and are used in various applications, including marine engines,