How to Use "airtight" with Example Sentences

1. Stored in an airtight container , these will keep for about a week .
2. Politicians are pinning their hopes for delivery from global warming on a technology that is not quite airtight
3. The logic was not airtight .
4. After opening , refrigerate in an airtight container for up tofive days .
5. I am sealedin a cottage of glass that is completely airtight . Inside I breathe my exhalations .