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I built a downdraft kiln to improve firing efficiency and results. Angled airflow maintained consistent high temperatures for better outcomes.

For every 1,000 kilograms of cement the world produces, 600 kilograms of carbon dioxide are dumped into the atmosphere. If that doesn’t sound like a lot, consider that last year the world made about 4 ...

I built a portable kiln and fired mud bricks using primitive tools. Stacking and controlled firing produced uniform, strong bricks. Ohio sheriff takes defiant stance on immigration, draws spotlight ...