2. Then prepare a bottle of cooking oil.

3. Buy about half a catty of hygroscopic lime blocks and grind them into lime powder.

4. Then prepare 1 small bag of absorbent cotton balls. Tear the cotton ball into strips as much as possible.

5. Then mix the three prepared materials together and stir them as evenly as possible.

6. Then spread the stirred materials evenly on the damaged parts of the iron pan, and then wait for 10 minutes.

7. Then clean up the excess with steel balls, and be careful not to use too much force.

8. Then, the step leakage of the iron pot is completed at this time.