1

First of all, we need to prepare a basin, then we add water to it,

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2

Then we need to pour appropriate amount of salt, edible alkali, toothpaste and white vinegar inside the basin, mix well.

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3

The next step requires us to soak the clothes in water for 1 hour.

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4

Finally, we just need to bring the clothes and scrub them, and it's easy to get rid of the yellowed parts.

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