Ενηλίκων επιστήμονας και το κορίτσι σε γυαλιά ανάμειξη αντιδραστήρια σε σωλήνες στο εργαστήριο - Φωτογραφίες & Εικόνες Αρχείου

Adult scientist and excited girl in goggles mixing reagents in tubes in laboratory

Teacher and student scientists in protective glasses making experiment in lab

Scientific discovery in the biology lab

Teacher and student scientists in protective glasses working in chemical lab

Education, science and children concept - kids with test tubes studying chemistry at school laboratory

Little girl scientist in protective goggles holding flask with reagent in lab

Female Pupil And Teacher Conducting Chemistry Experiment

Professional chemists in uniform working in lab with computer mouse and keyboard

Professional scientist in protective eyeglasses making experiment with reagents in test tubes

Portrait of smiling scientist using microscope while working with reagents in lab

Smiling scientists in protective eyeglasses working together in lab and pointing at camera

Smiling chemist in white coat holding test tubes with reagents and making experiment

Smiling mature scientists working together with computer mouse and keyboard in lab

Smiling chemist in white coat holding test tubes with reagents and making experiment

Portrait of scientist in protective gloves and glasses sitting at workplace in laboratory

Smiling scientists in protective eyeglasses working together in lab and pointing at camera