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... that need solving.
One was how to make a larger wooden pit on the log to hold more material, and the other was how to deal with wooden wedges once they were hammered into the pit—there was no way to pull them back out.
The second problem, about the wedges, was particularly critical.
If this issue wasn’t resolved, the whole oil pressing process couldn’t proceed.
Even in a primitive era where time and labor were cheap, spending so much effort and time to make a sing ...
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