Old Windmill Near Saint Omer. Pas De Calais. France. Stock Image

The windmill is a structure built to exploit the energy of wind wind energy and through the use of shovels to transform it into mechanical energy or kinetic energy that can be used for agricultural, craft and industrial purposes or processes. Centuries ago, windmills were used to grind grain, pump water, or both. Most modern mills use turbines to generate electricity or pumps to pump water and drain the soil or extract water from the subsoil.