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pl-N Polski jest językiem ojczystym tego użytkownika.
en-4 This user has near native speaker knowledge of English.
de-1 Dieser Benutzer beherrscht Deutsch auf grundlegendem Niveau.
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Today is:
Saturday, July 11 2020.

Hello! My name is Peter. I have graduated chemistry from Nicolaus Copernicus University, so I am familiar with chemistry or mathematics.

For more information, visit my Polish Wikipedia site. Contact: on my discussion page (recommended) or by e-mail address – ptjackyll(at)wp.pl.