In the washing of grapes can be washed with flour, which will be washed more cleanly, due to the flour dissolved in water after the viscosity of the larger, will be adsorbed on the surface of the grapes of the impurities, the impact of the water will be all the dirt away, so that the grapes will be washed exceptionally clean, and therefore the flour is also known as the green cleaning agent.
1, pigskin can be cooked in 30 minutes. If you want to stew pigskin, you need to cook it for about 2 minutes, soak it in clear water for 20 minutes, and th