+A grinder is a [machine](/wiki/Machine) that transforms raw substance. Through [abrasion](/wiki/Abrasion) or cutting, it refines and shapes, or reduces larger forms into finer particles. Its purpose is often to prepare materials for further use or to achieve a desired finish.
+## See also
+- [Tool](/wiki/Tool)
+- [Milling](/wiki/Milling)
+- [Powder](/wiki/Powder)