Τα παιδιά σε προστατευτικά γυαλιά κάνει πείραμα στο εργαστήριο - Φωτογραφίες & Εικόνες Αρχείου

Four kids in science laboratory wearing coats and standing at table

Four kids wearing protective glasses in science laboratory

Education, science, chemistry and children concept - kids or students with test tube making experiment at school laboratory

Four kids in science laboratory wearing coats and standing at table

Kids in protective glasses making experiment in laboratory

Education, science, chemistry and children concept - kids or students with test tube making experiment at school laboratory

Education, science, chemistry and children concept - kids or students with test tube making experiment at school laboratory

Education, science, chemistry and children concept - kids or students with test tube making experiment at school laboratory

Schoolchildren in lab coats making experiment with test tubes in chemical laboratory

Close up view of bottle with reagent and clipboard

Scientists at chemical laboratory during work

Female scientist during work with microscope at modern biological laboratory

Scientists at chemical laboratory during work

Scientists at chemical laboratory during work

Scientists at chemical laboratory during work

Scientists at chemical laboratory during work

Scientists at chemical laboratory during work