As far as going off-topic, that happens all the time here as well...UT is something that a lot of folks can't accept,
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I understand urine is similar (not identical) to blood plasma and is always sterile unless there is a UTI. Those who rent Port-a-Potties have a way to collect the urine and sell it to pharmaceutical companies. Pharmaceutical companies separate urea and use it in drugs, lotions, makeup, and other mixtures we-the-general-public cluelessly buy.