Πολυεθνική νέοι άνθρωποι καθισμένοι στο τραπέζι ανάγνωσης μεγάλο παλιό βιβλίο αναφοράς για την εκπόνηση επιστημονικής έκθεσης. Ομάδα νεαρών μαθητών κάνοντας από κοινού εργασία στη βιβλιοθήκη. - Φωτογραφίες & Εικόνες Αρχείου

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

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

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 .

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

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

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

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

Mixed-race group of university students with a focus on blonde caucasian woman doing linguistic researches, turning over the pages of big old reference textbook at library.

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

Young male instructor show how bandage a hand in a right way, group of people learn the first aid techniques

Professional male instructor use tourniquet to prevent bleeding during first aid training, teach people to save the life

Man wearing tourniquet on arm of injured person during class of giving first aid, help people. indoors

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

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

Crazy red-haired woman is putting her beautiful hair on her brown-haired male colleague. make merri over while drinking tea at work. closeup image.

Young creative business ladies coworking in white modern office, wearing casual clothes. use laptop, modern technologies