Feels like at that point you may as well just go into a pressure chamber and pump it up as high as it would be at 1200 feet since you are not doing anything interesting aside from slowly sinking and then rising.
Feels like at that point you may as well just go into a pressure chamber and pump it up as high as it would be at 1200 feet since you are not doing anything interesting aside from slowly sinking and then rising.
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