History
Historically, a wet grinder would be of two types:
- Mortar & Pestle (Kundi-Sotta)
- Flat Stone (Sil-Batta)
The evolution of grinders has seen a dramatic change in their working. The earlier form of wet grinder, used mechanical energy in which the user had to rotate the top stone, to grind the medium. The harnessing of electricity led to the development of electric-powered wet grinders. By this invention, the powered wet grinders have both the top and the base stone rotating. These electric models were first introduced in restaurants, and later moved into homes.
Most modern models still have stone components for the grinding action. The stone is usually granite. The old manual grinding stones used to be refinished for better results. Modern stones usually don't need refinishing, as they last much longer. The wet grinder industry is largely confined to Coimbatore because the stone used is exclusively available only in this region. The Indian government is planning to get Geographical Indication for Coimbatore wet grinders.
Read more about this topic: Wet Grinder
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