In a chimney flue, a damper closes off the flue to keep the weather (and birds and other animals) out and warm or cool air in. This is usually done in the summer, but also sometimes in the winter between uses. In some cases, the damper may also be partly closed to help control the rate of combustion.
A little more detail will help us answer your question. If your snacks are pretzels, potato chips, dried fruit or other dry goods, you can take them in your carry-on or checked bag. Snack items that are liquids or gels, like pudding, jello or yogurt, etc., falls under the 3-1-1 rules for liquids for carry-on bags. They can be transported in checked bags.
Remember that germs are microscopic, so even when a childâs hands donât look dirty, they may be covered with bacteria. What to eat when you have the stomach flu. Bananas. Bananas contain little fiber but are high in potassium, an electrolyte that helps with mineral and fluid balance in the body. Applesauce. Applesauce offers nutrients with a mild flavor and easily tolerated texture. It also has a high water content to help replace fluids lost during illness.