A serious health threat to humans is sewage backflows. In an indoor environment, water is considered to be the most long-term destructive substance. Since water supports the growth of microorganisms, it also weakens and dissolves...

After the book has dried, gently shape it back into its normal form and lay it flat on your work surface. Then press it with a book press....

Old buildings usually have a wet basement. Most wet basements of any infrastructures are due to floods and sewer backups. But most causes of such incidents are not noticeable and mostly results to detectable water on floors and walls.

That way, we can better understand the nature and behaviour of forest wildfires and perhaps, institute some measures that will somehow help prevent the occurrence of such natural catastrophes...