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From: Richard Smith <null@void.com>
Newsgroups: rec.crafts.metalworking
Subject: Re: blasting smallish tunnels in hard rock
Date: Mon, 25 Mar 2024 10:01:51 +0000
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negligible knowledge but - with stemming like grit the worse that can
happen is a rain of grit particles - cannot become a high-velocity
projectile.
On the other hand I have seen videos of blasts being covered by all
sorts of things.