A férfi és női egyetemisták szép szakállas férfi csinál nyelvi kutatások, a Természettudományi Múzeum gazdaság nyitott nagy régi könyv összpontosít vegyes verseny csoport - Stock fotó és kép

Group of Students with books discussing problem

Pensive african american young man in stylish eyeglasses for vision correction, Arab man and three euopean young female students reading big old textbook sitting at the table against window .

Group of Students with books discussing problem

Multiethnic young people sitting at table reading big book while sitting at the table in library. Students are preparing to the exams

Young african american guy, Arabian man and three caucasian beautiful girls with long blonde hair sitting at table, reading big book in library.

Multiethnic young people sitting at table reading big old reference book for preparing scientific report. Group of young students doing together homework at library.

Arabian college tutor with multiethnic student standing at library hall, giving advice about book to read.

Group of young caucasian people practice treating a patient by bandages, first aid concept. indoors

Young confident male safety instructor teach students to bandage the head in case of injury, students make notes, look at the process

Young confident male safety instructor teach students to bandage the head in case of injury, students make notes, look at the process

Confident male instructor show and talk about the first emergency CPR for a person who has a heart attack or shock, one part of the resuscitation process, use mannequin

People at class of giving first aid, learn bandaging the head, sit isolated in room, discuss technique

CPR class with young caucasian instructors speaking and demonstrating help first aid, cpr mannequin on the floor

Young confident male safety instructor teach students to bandage the head in case of injury, students make notes, look at the process

CPR class with young caucasian instructors speaking and demonstrating help first aid, cpr mannequin on the floor