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Its job is to siphon off
grit, sludge and trash, while allowing raw sewage to flow into
the treatment plant
grit, sludge and trash, while allowing raw sewage to flow into
the treatment plant
Full Transcript
00:00:01.000 --> 00:00:04.017
Its job is to siphon off
grit, sludge and trash,
00:00:04.207 --> 00:00:05.827
while allowing raw sewage
00:00:05.862 --> 00:00:08.272
to flow into
the treatment plant.
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Movie Summary
An up-close look at the heroes that keep America's sewer systems running.