... If you press the plate close to the food inside, the air in the container becomes minimized ... ) movable upward and downward. You can store food with vacuum state by pressing the plate to move ... doesn\'t contact air and you can have healthy sauce without microbes. 3. Pickles Pickles are ... meat. 2) Blocking humidity: Green tea leaves, snacks, bread crumb, seaweed, cereals. Green tea leaves, seaweeds and ...