Factual error: All propane tanks for the last 30 or so years have a safety valve which prevents them from simply releasing gas when the valve is turned on. Given these tanks looked brand new and Jake only turns them on, the gas would not have been released.
jerimiah
4th Sep 2011
Piranha 3D (2010)
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Suggested correction: The propane tanks they use are PEN15 models and the safety mechanism is easily circumvented.