The Picnic room features a sizable picnic table, astroturf, and a paper-mache tree that was fashioned out of an air duct.

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Consider media accounts of how WD-40 was used to extract a python from a bus exhaust pipe or a burglar stuck in an air duct (yes, he was arrested).

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Consider the newspaper accounts of how WD-40 was used to extract a python from a bus exhaust pipe or a burglar stuck in an air duct (yes, he was arrested).

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They soon found that duct tape leaked air so badly much of the cooling and heating was wasted--and that the tape frequently shrunk, dried up or separated.

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Most memorable: Astronauts on Apollo 13 used duct tape to help put together air scrubbers to keep themselves alive.

FORBES: The Other Greatest Tool Ever

Another scene shows Clark using a piece of duct tape to remove lint from an experiment's air filter.

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