Not as far-fetched as one might think, mummy-eating parties were popular in England high-society once:https://theconversation.com/why-did-people-start-eating-egyptian-mummies-the-weird-and-wild-ways-mummy-fever-swept-through-europe-177551
There is actually a chaos variant of chess that follows this principle:https://en.m.wikipedia.org/wiki/Kriegspiel_(chess)I read about in a PKD short story.
You could use them to secure some steel rails to large wooden sleepers, and then transport goods and people on carriages that roll upon the rails.
Same way you learn the water content of any vegetable. Weigh it, then stick it in a kiln at 100 degrees for a few weeks, then weigh it again.
Not as far-fetched as one might think, mummy-eating parties were popular in England high-society once:
https://theconversation.com/why-did-people-start-eating-egyptian-mummies-the-weird-and-wild-ways-mummy-fever-swept-through-europe-177551