• Version 1
  • Blow the top off a film canister by putting a little LN inside.
  • The top must be put on fairly quickly to avoid getting hit when it flies off.





        (show how to put cap on quickly)


  • Version 2
  • Blow the lid off a quart or gallon paint can by putting a little LN inside.
  • A mallet is needed to quickly seal the lid on the can.
  • The lid will hit the ceiling, so caution is advised.




        (show how to seal can quickly)

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