NIE WSZYSTKIE TREŚCI Z OPUBLIKOWANYCH MATERIAŁÓW, ODZWIERCIEDLAJĄ POGLĄDY ADMINISTRATORA STRONY.
wtorek, 16 sierpnia 2016
Fluor tak samo toksyczny jak ołów
By Liquid_fluorine.jpg: Prof B. G. Muellerderivative work: TCO (talk) - Liquid_fluorine.jpg, CC BY-SA 3.0, https://commons.wikimedia.org/w/index.php?curid=15472526
By Liquid_fluorine.jpg: Prof B. G. Muellerderivative work: TCO (talk) - Liquid_fluorine.jpg, CC BY-SA 3.0, https://commons.wikimedia.org/w/index.php?curid=15472526