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Old 09-06-2019, 01:23 PM
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Wavytone is offline
Join Date: Jul 2008
Location: Killara, Sydney
Posts: 4,147
What's more the egyptians established a planar surface by building a low embankment and filling it with water, then standing sticks in the mud. The water level provided precise reference on the sticks to show how much to cut/fill.

So simple.
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