+Unit operations are fundamental physical or chemical steps that form the building blocks of any industrial [process design](/wiki/process_design). These distinct actions, such as [mass transfer](/wiki/mass_transfer) or heat exchange, are systematically studied to optimize production and resource use.
+## See also
+- [Chemical Engineering](/wiki/chemical_engineering)
+- [Heat Transfer](/wiki/heat_transfer)
+- [Fluid Flow](/wiki/fluid_flow)
... 1 more lines