A WET GRINDER is a food preparation appliance used especially in Indian cuisine for grinding food grains to produce a paste or batter. It can refer to either a tool for abrasive cutting of hard materials, or a food preparation appliance used especially in Indian cuisine for grinding food grains to produce a paste or batter. They are used to make pastes from grains and lentils and is used extensively in South Indian cuisine for preparation of popular dishes such as dosa, idly, vada, appam and paniyaram. The WET GRINDER consists of a granite stones which rotate inside a metal drum with the help of an electric motor and the food grains get crushed between the stone and drum.