Human urine bricks invented by South African students
Human urine bricks invented by South African students
https://ift.tt/eA8V8J
Urea, sand and bacteria solidify at room temperature without the need for high-temperature kilns.
Author --
October 25, 2018 at 06:17PM
https://ift.tt/eA8V8J
Urea, sand and bacteria solidify at room temperature without the need for high-temperature kilns.
Author --
October 25, 2018 at 06:17PM
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