The aim of course is the production of agricultural products in our country, general information about the quantities of imports and exports, The importance of cleaning and classification and processing of the products in exports. To inform students about the basic parameters for cleaning and grading; geometric dimensions of the material, the aerodynamic characteristics of the surface shape and condition, density and specific gravity, electrical conductivity, color capability, taking into account the flexibility of the material cleaning and sorting machines design examples.

The contents of this course is the geometric, aerodynamic, shape, color, electrical, mechanical strength properties and design principles of agricultural products include cleaning and grading machines.