Industrial mixers / blenders combine different substances in order to create a uniform mixture suitable for use in a variety of industrial applications. Mixers, or stirred vessels, provide an adequate stirring and mixing area for the material. They come in a variety of shapes and sizes. The impeller is the component that imparts motion and shear to the fluid or solid, inducing mixing. The type of mixer and impeller chosen depends entirely on the nature of the application. The impeller is more application-specific than the mixer, as the mixer can be used for a wide variety of tasks