Can this machine be used to grind fresh items into a fine masa？ (i.e. fruit, meat,bananas,potato,butter)? TOTALLY NO!!! Please attention the Grain Mill can only usd to mill dry materials, including spices, grain，dried beans etc. But not for wet food or high oil nut. ABOUT SERVICE I year no reason return or replace;3 years free replacement if having quality problem；Lifetime maintenance. Contact the buyer through Amazon message box. How can I get finely grind result. 1.Cut large grains into small pieces. 2. Pour more than 1/2 of the machine's capacity, but not too full. 3 Grind in several times 4 Shake/Swing the machine during grinding. How to clean after use? Can I wash it with water? Never wash with water, which will damage the motor. After use, brush the residual powder with a brush, and then wipe it with a dry rag What should I do if the machine doesn't turn？ Please make sure that: 1. already read the instruction 2. The machine has been plugged in. 3. The cover has been properly closed and locked. 4. switch has been turn on FoundGo Electric Grain Mill for All You Need swing type grinder Add to Cart swing type grinder Add to Cart Electric Grain Grinder Add to Cart separatable type grinder See Details Customer Reviews 4.2 out of 5 stars 28 4.2 out of 5 stars 28 4.2 out of 5 stars 28 3.2 out of 5 stars 10 Price $116.99$116.99 $169.99$169.99 $225.99$225.99 — Capacity 800g/28oz 1000g/35oz 13.2gal/50L 400g/14oz Power 3000w 3500w 1000W 450w Material Stainless Steel Stainless Steel Plastic and stainless steel Cup: Stainless Steel Fineness superfine: 60-300 mesh superfine: 60-300 mesh with 2/3/4/6/8 mm filters very fine Rotation Speed 25000rpm 25000rpm 19000rpm 18000-21000RPM