Tunnel blasting shockwave - video

Tunnel blasting shockwave.

https://www.youtube.com/watch?v=gb9WtVXLnw4


Previously:

https://www.homemadetools.net/forum/...202#post149907
https://www.homemadetools.net/forum/...341#post135208
https://www.homemadetools.net/forum/...277#post150251

Interesting, it's like a giant demonstration of how works a woodwind musical instrument

That will shake your fillings loose!

Quote:

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Originally Posted by Christophe Mineau

Interesting, it's like a giant demonstration of how works a woodwind musical instrument

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Including covering your ears when the learning just begins.