Question

iron and copper containers made safe for storing foodstuff​

Answer 1

Answer:

They are more capable of storing food then plastic because  

#It contains minerals which keeps food healthy and fresh and hot to if sealed pack

#It is not harmful.

Explanation:

Answer 2

EXPLANATION:

Metals like iron and copper are very good for health. As many minerals of these metals and also other metals like sodium, potassium, etc., are very important for our body.  

They play an important role in the biochemical reactions of living organism. So that Iron and copper containers made safe for storing foodstuff compare to plastic containers as it mixes some of the metal in the foodstuff in the form of its minerals.