Γενειοφόρος χημικός σε γυαλιά με αντιδραστήρια σε σωλήνες και μικροσκόπιο στο εργαστήριο - Φωτογραφίες & Εικόνες Αρχείου

Concentrated bearded chemist in goggles with reagents in tubes in laboratory

Bearded chemist in goggles with reagents in tubes and tablet in laboratory

Professional chemist. Smart nice male researcher wearing a mask and protective glasses while conducting chemical experiment in the lab

Bearded chemist in goggles with reagents in tubes and tablet in laboratory

Responsible moment. Young serious perspective discoverer sitting in the lab working with the text tubes and focusing on the one of the vials.

Concentrated bearded chemist in goggles with reagents in tubes in laboratory

Bearded chemist in goggles with reagents in tubes and microscope in laboratory

Bearded chemist in goggles with reagents in tubes and tablet in laboratory

Smiling bearded scientist in protective goggles and gloves holding test tubes with reagents and making experiment

Professional chemists in white coats working with microscopes in laboratory and looking at camera

Smiling middle aged scientist in protective eyewear working with microscope and colleague standing behind

Team of mature scientists working together in lab and looking at each other

Adorable little girl in goggles with reagents in tubes in laboratory

Smiling middle aged scientist in protective eyewear working with microscope and colleague standing behind

Concentrated attractive blonde scientist working with microscope in laboratory

Two confident scientists in white coats and goggles looking away and posing in chemical laboratory