Cutting torch (thermal lance?) explosion.
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Previously:
https://www.homemadetools.net/forum/...162#post161120
https://www.homemadetools.net/forum/...3353#post98830
https://www.homemadetools.net/forum/...371#post138927
https://www.homemadetools.net/forum/...671#post155722
https://www.homemadetools.net/forum/...416#post110488
https://www.homemadetools.net/forum/...971#post175882
https://www.homemadetools.net/forum/...202#post165399
https://www.homemadetools.net/forum/...033#post145132
https://www.homemadetools.net/forum/...845#post163878
https://www.homemadetools.net/forum/...789#post136937