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.
That said, you should always try to refrigerate your strawberry purchases as soon as you get home from the store. The reason is that strawberries are highly perishable and do not ripen after being picked â leaving them at room temperature will only speed up their decay.As detailed here, strawberries will keep in the refrigerator for only about two to three days; you can also freeze them for longer-term storage.hat said, you should always try to refrigerate your strawberry purchases as soon as you get home from the store. The reason is that strawberries are highly perishable and do not ripen after being picked â leaving them at room temperature will only speed up their decay.