It is sometimes convenient to categorize packages by layer or function: primary, secondary, etc. 1  Primary packaging is the material that first envelops the product and holds it. 2  Secondary packaging is outside the primary packaging, and may be used to prevent pilferage or to group primary packages together.
Does Corn Need To Be Refrigerated? Corn does not typically need to be refrigerated in order for it to be safe to eat. You will want to be aware of the fact that the longer you keep your corn in the refrigerator, the more flavor and vitamins you will lose, so it will not have quite as much nutritional value or taste to it.
Tomatoes should be kept uncovered at room temperature, but can be refrigerated if they are very ripe. Green Beans and Peas should be kept in plastic bags or containers. They will last for 3-5 days in the fridge. Corn Keep corn in its husk in the fridge. Eat as soon as possible because its sugar quickly turns to starch, causing it to lose its flavor. Carrots, Radishes, Turnips, Beets, and Parsnips should be stored in plastic bags. They will last for two weeks in the fridge.