Insegnante sorridente in camice bianco e occhiali protettivi che abbracciano gli alunni durante la lezione di chimica - Foto e immagini stock

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

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

Education, science and children concept - happy kids with workbooks studying chemistry at school laboratory

Three kids in chemical laboratory making notes and using microscope and calculator

In the lab. Positive joyful young children smiling and looking at you while being in the chemical lab

Education, science and school concept - kids or students with plant at biology class

Student during experiment. Dark-haired teacher dropping liquid in test tube while whole group waiting for reaction

Smiling schoolgirl holding beaker and looking at camera during chemistry lesson

Two smiling ophthalmologists and little child in glasses standing in clinic

Happy mother and daughter visiting ophthalmologist and choosing medicines in clinic

Smiling schoolgirl holding beaker and doing chemical experiment during chemistry lesson

Smiling optometrists and little kid in eyeglasses showing thumbs up

Two smiling optometrists and little kid in eyeglasses showing thumb up

Mother and daughter in eyeglasses visiting ophthalmologist in clinic

Smiling ophthalmologist showing something to patient in clipboard