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Are compressed gas dusters concidered pneaumatic? We do not think so, because if you turn the can of dust remover upside down it still will blow air.

Thanks!!

Are we allowed to use ammonium nitrate?

If we have a heating element running prior to the start time, would that be considered a penalty??

We wanted to know if a spinning horizontal device pushing a marble through itself, and then the marble rolling on to a slide like object would be ok for this task?