Experienced professor inviting medical professionals to join class and begin lesson or seminar
Medium slowmo of two Caucasian schoolgirls in lab coats and protective glasses doing pair lab work at Science class
Full shot of Caucasian professor in formalwear with paper notebook beginning class in military college inviting diverse unidentified cadets into classroom
Multiracial team of doctors wearing scrubs and lab coats listening to professor of medicine making speech during seminar
Young girl playfully inviting to join her
Young girl playfully inviting to join her with a gesture
Friendly man gesturing to you, inviting closer
Sport girl skateboarder texting messages on mobile and inviting the friends to join the ride in scenic park
Slowmo of diverse elementary age students in lab coats and protective glasses raising their hands to answer teacher question having Science lesson in modern classroom
Waist up shot of three pupils in protective glasses and lab coats doing chemical experiments with liquids pouring them into lab tubes and observing reaction having Chemistry lesson at school
PAN waist up shot of multiethnic middle school students in lab coats and protective glasses practicing scientific experiments and discussing molecules at Science class
Smart research scientist in magnifying glasses studying the surface of the stone in modern lab. He is lab coat and protective gloves.