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Old 02-05-2019, 11:06 AM   #2
Happy Monkey
I think this line's mostly filler.
 
Join Date: Jan 2003
Location: DC
Posts: 13,575
Quote:
There is also evidence that certain bacteria and microorganisms can help precipated iron to form concretaion
The "primitive technology" YouTube guy is smelting iron from iron-rich bacterial colonies.
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