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Industrial waste
is noxious enough to burn human skin
is noxious enough to burn human skin
Full Transcript
00:00:01.000 --> 00:00:03.041
Industrial waste
is noxious enough
00:00:03.414 --> 00:00:04.894
to burn human skin.
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Movie Summary
An up-close look at the heroes that keep America's sewer systems running.