Martin > wrote:

> Thanks for this. Have you heard of aluminium foil sealed covers for
> plastic trays for frozen food? I've seen it for frozen pet fish food -
> aluminium foil blister packaging. Any reasons not to do this for human
> food?

Airlines do it all the time. Well, some of them have quit serving
food, but what you are describing sound like an airplane meal.

Bill Ranck
Blacksburg, Va.