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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 09:56:25 +0000
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I like your thinking Peter.
How to practice at manageable cost.
That's the crucial point.
Don't know what would happen.
Would be interesting to find-out.