Unwanted black, discolored, chalky (White belly) immatured, mouse, dropping, tips from par boiled, (Double boiled) raw, steam, rice are detected by line scan cameras flowing from hoppers through chutes and effectively removed by compressed air jets in a modern rice milling machinery plant.

Also applied for pulses dal(Toor, Urad) Grams (Black, Green, Yellow, Horse) Black Pepper, Coriander, Sesame seeds, Nuts, (Groundnut, Cashew, Almonds) Dry fruits (Dry grapes)