plastic and metal !!
Food should be stored in clean, dry containers.
It is safe when dried,- but it may not work on many food containers, especially those made with polyethylene.
no
wat is fats oil
wat is fats oil
styrofoam
There are no known foods that can do this. This is because latex should not be in foods. However you should check to see what the packaging for the food is made from because some containers can contain latex thus causing the food to be contaminated with it.
Food that needs refrigeration should be cooled as rapidly as possible and held at that temperature. Shallow containers allow food to cool quickly, lowering the chances for bacteria to grow.
acidic food related ingridients can react with metal , copper and aluminum , THUS making it poisonous to the human body
Your best bet for avoiding rust would be to use stainless steel containers. If that's not an option, look into anti-rust coatings for your containers. There should be a way to prevent oxygen from hitting the metal and causing the oxidation that is rust.
Food containers can be used to store and portablize food and are usually air tight to lee the food fresh.