Method one: You can put a few pieces of crushed eggshell in the bottle, drop a few drops of detergent, then pour a little hot water, repeatedly shaking and then rinse with water, grease can be gradually cleared.
Method 2: Pour carbonated water into the oil bottle and shake it for a while. Then use a brush to reach for cleaning, drain the baking soda, and finally rinse with hot salt water.
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