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nkozyra
9y ago
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Odd that the video doesn't seem to catch spall then.
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tyingq
9y ago
Catching spall on the back side of the barrier is the important bit.
cellularmitosis
9y ago
Why? Does the spall have enough energy to hurt someone?
iSnow
9y ago
jagged splinters with sharp edges being ejected at high velocity - what could go wrong?
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