NOTE 1. The mill generates a large current when it works, it is recommended to check the leakage switch is greater than or equal to 63 amperes.High power, household leakage protection switch 50A Or above 63A, refer to model DZ47-63 C50 or C63.2. This grinder machine can only accept dry grinding instead of Wet grinding.3. Before using the device, please don't make the screw of grinding blades too tight, too tight will damage the blades.4. This is a high speed commercial flour mill, it has the power of 3000W, grinding speed of more than 120 LB grains per hour, so it will make a big noise, suitable for commercial use in processing large quantities of grain, it can help the high efficiency grinding work, not suitable for the kitchen household (if you don't mind the noise, the mill is also a good choice). Advantages: Simple structure, easy operation, convenient maintenance, durable, high efficiency. Disadvantages: Loud noise will be produced.5. We are always committed to providing the best products and services. Please feel free to contact. us if you have any questions.