H2o and air will be the enemies of food items storage. You might have witnessed this truth of the matter in motion Should you have ever watched the fruit inside of a fruit bowl shrivel and blacken eventually. Each freeze drying and dehydration look for to eliminate h2o from food https://freezedryer74185.blazingblog.com/26758614/a-review-of-how-much-is-a-freexe-dryer