Model of <a href="https://en.wikipedia.org/wiki/Hydrogen_bond" class="extiw" title="en:Hydrogen bond">hydogen bonds</a> in water in Czech.
The original uploader was <a href="https://en.wikipedia.org/wiki/cs:User:Qwerter" class="extiw" title="w:cs:User:Qwerter">Qwerter</a> at <a href="https://en.wikipedia.org/wiki/cs:" class="extiw" title="w:cs:">Czech Wikipedia</a>.
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