>Not all siege weaponry requires knowledge of mathematics, such as
>siege towers or battering rams.
How high do you build your siege tower? Without climbing the wall to measure it?
OK battering rams don't require mathmatics.
> Although quibbling about this goes against my point. I was reaching
>for examples of tasks that *might* be defined as different castes
>from group to group.
I see lots of tasks being split in different ways to the way we would split the same task today. Caste boundaries being one of the reasons.
-- Donald Oddy http://www.grove.demon.co.uk/
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