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.
Will you be flying over the holidays this year? With inevitable airport delays and dismal in-flight food options, packing a meal for the plane has become essential, but also more complicated, thanks to tighter security. What can we carry on the plane? Here are some answers â and fresh ideas. The TSA website states that you can carry on up to 3.4 ounces (100 ml) of the following liquid or gel-like foods: Creamy dips and spreads (cheeses, peanut butter, etc.)