Lethal doses of substances.
Previously:
Reagent color chart for controlled substances - chart
Timeline of chemical element discoveries - photo
Lethal doses of substances.
Previously:
Reagent color chart for controlled substances - chart
Timeline of chemical element discoveries - photo
New plans added on 12/02/2024: Click here for 2,609 plans for homemade tools.
durrelltn (Apr 4, 2022), homemademike (Apr 4, 2022), Inner (Apr 4, 2022), neilbourjaily (Apr 4, 2022), nova_robotics (Apr 4, 2022)
mwmkravchenko (Apr 9, 2022)
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