I found a list of ways people actually used urine which are the following:
-Make race cars more durable
-Trigger tooth regrowth
-Soften leather
-Make gas masks
-Bleach and remove stains from clothes
-Set dye into fabrics
-Sterilize wounds
-Clean teeth
-Purify to drink
-Fertilize gardens
-Make gunpowder
-Charge a phone with bacteria
-Drink raw (like bleach)
-Strengthen the immune system
-Drink for yoga
-Fuel a generator
-Cool a machine gun
-Use as a viagra substitute
-Tax sales of it
-Toughen the hands for use as batting gloves
English
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This^