Use eggshells. Prepare some egg shells, preferably more, then crush them, put them in oil bottles and barrels, add hot water and shake them vigorously. After a few minutes, the oil inside will come down and wash them again.

Method 2:

Prepare some fine sand and baking soda, put them into oil bottles and oil drums at the same time, then add hot water, which is also shaken, and finally rinse it off.

Soybean oil is an oil extracted from soybean, which has a certain viscosity and is a translucent liquid. Its color varies with soybean seed coat and soybean variety, from light yellow to dark brown, with soybean flavor.