The Path of Survival.

Summary

Xiao Fan experiments with a bellows design for a fixed furnace, optimizing it using lime mortar and bricks instead of traditional wood. He constructs a small air box with specific air intake and outlet placements, ensuring minimal air leakage. After multiple tests, he finds that wrapping the partition with rabbit fur provides an effective seal. He uses wooden boards for easy access and repairs, sealing gaps with clay. Once assembled, the bellows successfully channels air into the furnace, demonstrating effective airflow. This marks a significant achievement in his project, leading to the next chapter.

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