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User language
pl-N Polski jest językiem ojczystym tego użytkownika.
en-2 This user has intermediate knowledge of English.
de-0 Dieser Benutzer beherrscht Deutsch nicht (oder versteht es nur mit beträchtlichen Schwierigkeiten).
ru-0 Этот участник не владеет русским языком (или понимает его с трудом).
Users by language
This user has created a global account. This user's main account is on Wikipedia (Polish).

I am a phisycal geographer and soil scientist from Poland who works in financial company. I am active wikipedian since 2014, mostly on Polish Wikipedia. Recently, because of family obligations, rare active. I have a small contribution in Commons, English Wikipedia, Wikiźródła (Polish language Wikisource) and Wikidata as well.