1.   In the system Fisk proposes, pipes carry the used water into a sealed collection barrel, similar to a septic tank.

2.   Inside, plastic pipes carry water from wooden beams overhead to a dozen shallow, wooden tanks.

3.   The hog waste flows through slotted boards in the barns to a cellar, where plastic pipes carry it to a waste lagoon.

4.   Pipe will carry sewage off the mountain.

5.   The pipe normally carries raw sewage from the city far out to sea.