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On 04/17/2012 08:36 AM, Hal wrote:
Roger had the answer. The Romans used stale human URINE(Uric Acid)
to was their togas and other things. No movies my friend.
More likely they were using stale urine for its high ammonia content.
Dried-on uric acid causes stains that are difficult to remove.
Regards,
Bryn.
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