Natural science /화 학 colored Glass chemistry 나 그 네 2020. 1. 28. 10:49 https://www.thoughtco.com/the-chemistry-of-colored-glass-602252https://www.google.co.kr/search?source=hp&ei=ymAvXqmfBsuNoASI0ZewBQ&q=colored+glass&oq=colored+glass&gs_l=psy-ab.3..0i7i30j0j0i7i30j0l4j0i30l3.12792054.12799944..12800103...0.0..0.122.1466.2j12......0....1..gws-wiz.....0..0i131j0i3.e564GD2qlJw&ved=0ahUKEwiprI_15qTnAhXLBogKHYjoBVYQ4dUDCAk&uact=5#spf=1580176141350 ( color Glass chemistry )https://www.thoughtco.com/the-chemistry-of-colored-glass-602252https://www.thoughtco.com/chemical-composition-of-the-human-body-603995