[Modena]

Originally Posted by jcraigau

Biggest miss we had in high school was a kid moving the Oxy-Acetylene kit after replacing the Oxy with a full tank he didn't put the chain around the Oxy.
It fell off the trolley and knocked the gauge clean off on a metal bench.
The noise was incredible and it shot across the workshop through the wall at the end and ended up on the oval. Missed everything and everyone on it's 15 second trip...

yes, saw them do that on purpose on mythbusters - that tank went flying, straight through a double cinder block wall if memory serves me correctly.