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2007-12-28 23:45 Mark PEA 950×300× (143153 bytes) Diagram of a [[noxer block]], drawn in Inkscape by [[User:Mark PEA]]. (Cropped/resized). 1. [[Ultraviolet]] radiation from the Sun is absorbed by the [[titanium dioxide]], causing [[electron excitation]] and the formation of [[superoxide]] ions and [[hyd
2007-12-28 23:38 Mark PEA 744×1052× (142653 bytes) Diagram of a [[noxer block]], drawn in Inkscape by [[User:Mark PEA]].
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