Clinker (in my forge) is usually a hard heavy substance that looks like there was some glass melted in to it. Different fires product different types of clinker due to the material that was not burned.
Sand, scale, rust, and impurities in the fuel all contribute to form clinker.
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Tools do not make the blacksmith, the blacksmith makes the tools. gc
If you do not build a box, then you do not have to think outside the box.
If someone questions your standards, they are not high enough.
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