Εργαστηριακή έρευνα-επιστημονικό έργο για χημική δοκιμή. Επιστήμη και εκπαίδευση. εργαστήριο χημείας. Ευτυχισμένα παιδιά. πίσω στο σχολείο. Εργαστήριο χημείας του σχολείου. Συνεργαζόμαστε για να προετοιμαστούμε για τους τελικούς. - Φωτογραφίες & Εικόνες Αρχείου

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