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Meat cutting
creates a lot of scraps that make their way
into the facility's
grease trap
creates a lot of scraps that make their way
into the facility's
grease trap
Full Transcript
00:00:01.000 --> 00:00:02.086
Meat cutting
creates a lot of scraps
00:00:02.896 --> 00:00:05.796
that make their way
into the facility's
grease trap.
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Movie Summary
An up-close look at the heroes that keep America's sewer systems running.