This is also how they cut rocks in ancient egypt

I'm tired of this human-centric revisionist history. It completely devalues the contributions of hard working aliens.

Yep! The would use a saw that often had a blade made of string, like a bow, but would but gritty, sandy water in the hole they were cutting to slowly grind it away. I think they would also use “dull” copper saws (don’t quote me on that one though)

Yep! Thought Emporium posted a video where he showed off the techniques that humans could have used if the aliens never returned their calls.

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