Question

how to keep food as germ free?

Answer 1

We can keep food as germ free by adding food preservatives which will help to reduce the moisture content in food...

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Answer 2

We should keep food in the refrigerator.
And in coverd container.
Not keep in the metal like iron container because metal gets rusting if it contact with salty foods and water.
We should use the glass container to keep the foods.