It was hard to make out through the nighttime shadows, but there was a strange box in the middle of the floor, like a little wooden cage.

Backwash water is either discharged to the sew or settled with the supernatant return to the front of the plant and the sludge treated in some acceptable manner.

Today, anyone who has not begun to have some genuine desire for unity ought to examine his conscience in the stillness of the night and feel some shame, even if no one else censures him.