How to apply. $20.40 for a printout of your marriage certificate â this is a copy of the information from the registration and contains all the information on the record. Printouts are usually used for genealogy and aren't official documents.
Airplane toilets use an active vacuum instead of a passive siphon, and they are therefore called vacuum toilets. When you flush, it opens a valve in the sewer line, and the vacuum in the line sucks the contents out of the bowl and into a tank.
Composting toilets are toilet systems which treat human waste by composting and dehydration to produce a useable end-product that is a valuable soil additive. They come in a variety of models and brand names as well as different shapes and designs to enhance the natural composting process.