It is likely that there are phosphorus atoms in your DNA that came from food which, in turn, came from fertilizer that originated as phosphate rock along this conveyor belt. As infrastructure ...

The toilet uses a mechanical flush (no electricity), a basic conveyor belt to move the solids away ... After that, people can immediately use the urine as fertilizer, and bury the rest to use ...

a potassium-based mineral used to make vital agricultural fertilizer. “On the evening of April 25, a 95-foot section of the conveyor system’s catwalk located on Berth 503 at Terminal 5 ...