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.
After 10 days, move your cured tubers to any spot that stays cool and dry, but do not refrigerate or store below 50Â°F. Cured sweet potatoes will keep for up to 6 months when stored at around 60Â°F with high humidity; a basement is ideal, though an air-conditioned storage room or pantry will do, too.