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Uživatel:Wostr

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pl-N Polski jest językiem ojczystym tego użytkownika.
en-2 This user has intermediate knowledge of English.
ru-1 Этот участник владеет русским языком на начальном уровне.
la-1 Hic usor simplici lingua Latina conferre potest.
de-0 Dieser Benutzer beherrscht Deutsch nicht (oder versteht es nur mit beträchtlichen Schwierigkeiten).
fr-0 Cet utilisateur n’a aucune connaissance en français (ou le comprend avec de grandes difficultés).
mul-0 This user has no knowledge of multiple languages (or understands it with considerable difficulty).
This user is an administrator on the Polish Wikipedia. (verify·CA)
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My name is Wojtek, I live in Józefów (suburbs of Warsaw, Poland). I’m an active editor in Polish Wikipedia since September 2009 and an administrator since 2012. I studied Chemistry (Explosives and Pyrotechnics) at the Military Technological University in Warsaw. I serve as a police officer. In Wikimedia Projects, I mainly deal with topics related to chemistry (Polish Wikipedia, Wikidata and Wikimedia Commons).