Bento box, Japanese America Restaurant, you must have one of those black/red color, combination with fried stuffs in there to eat? I was vegetarian, so only stir fried rices.

 That is a plate of fried vegetarian foods.

This is material science

Correct.

In my time, we have stainless steal, the one you are looking at....

Well...You are not going to study that far enough science. To eating down food, if you turn around the box and see, if there are labels, of recycling..... 

numbers

Industrialists comments: Like the Bubble Tea plastic cups, at the buttom, you turn upside down and look at it.