> The cycle literally ends at that point. Not quite. It turns out that even the ashes have their uses [1]. [1] https://en.wikipedia.org/wiki/Incinerator_botto

> The cycle literally ends at that point. Not quite. It turns out that even the ashes have their uses [1]. [1] https://en.wikipedia.org/wiki/Incinerator_bottom_ash https://en.wikipedia.org/wiki/Incinerator_bottom_ash