Χαμογελαστός δάσκαλος με λευκό παλτό και προστατευτικά γυαλιά που αγκαλιάζουν τους μαθητές κατά τη διάρκεια του μαθήματος χημείας - Φωτογραφίες & Εικόνες Αρχείου

Smiling teacher in white coat and protective goggles embracing pupils during chemistry lesson

Smiling teacher in white coat and protective goggles embracing pupils during chemistry lesson

Happy adult scientists and little girl student working together in chemical lab and smiling at camera

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

Teacher and pupils at chemistry lesson in classroom

Little boy and girl in white coats using microscope and smiling at camera in lab

Smiling schoolgirl holding beaker and looking at camera during chemistry lesson

Smiling schoolgirl holding beaker and doing chemical experiment during chemistry lesson

Schoolboys with backpacks looking at camera near blackboard with educational icons

Dentists checking patient teeth in modern clinic

Handsome young dentist showing tablet to female client

Cropped shot of mother and daughter learning numbers on chalkboard

Optician holding lenses for trial frame while colleague examining kid with visual field test

Selective focus of educator and kids playing with educational constructor in kindergarten