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whatsapp logo, Whatsapp, Communication, Social Networks, smartphone, communicate, phone, internet, network, social, green

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counselor, wellness coach, man, pointing, beard, green eyes, speaker, lecturer, teacher, professor, coaching

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school classroom, education, learning, School, classroom, various, study, seminar, indoors, lecture Hall, university

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school classroom, School, classroom, various, college, education, learning, lecture, study, university, chair

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gray, scale photography, man, sitting, sofa, mark twain, vintage, author, humorist, portrait, writer

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audience, seats, auditorium, chairs, cinema, conference, convention, event, lecture, furniture, indoors

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communication, connection, diary, diary notebook, digital device, expression, handwriting, happy, journal, leather, lecture

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man, white, top, holding, multimeter, training, measurement technology, check, measure, low-voltage, digital

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mic, microphone, studio, speech, equipment, recording, stage, karaoke, interview, voice, radio

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five, black, flat, screen computer monitors, brown, wooden, desks, school, room, training, lecture

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european union parliament view, European Parliament, Voting, europe, parliament, government, eu, politics, chair, in a row, lecture hall

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photo illustration, taking, video, person, speaking, public., video recording, conference, public speaking, presentation, lecture

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projector, audiovisual, auditorium, lens, light, display, device, film, hall, conference, audience

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math, classroom, university, student, formula, board, class, write, teacher, background, graph

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people, meeting, colleagues, seminar, presentation, business, office, lecture, notebook, teaching, business people

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closeup, black, corded, microphone, mic, song, songs, sing, singing, chorus, band

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egypt, country, university al-azhar, scholars, old university, mosque, history, international, islam, muslim, minaret

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audience, auditorium, conference, convention, event, lecture, hall, blue, congress, group, indoors

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armchair, audience, auditorium, business, chairs, classical, comfortable, computer, conference, congress, convention

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blue, gray, study desk chair lot, empty, exam, hall, deserted, nobody, no one, tables, desks

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white, wooden, top, table, chair, inside, room, hall, congress, architecture, building

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yellow, chair, stage, classroom, school, education, learning, lecture hall, university, in a row, indoors

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projector, presentation, light, training, lecture

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spotlight, stage light, background, plalakt, template, portrait, bright, illuminated, highlight, texture, darkness

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room, lecture hall, assembly hall, audience, lectures, school, university, the university, the jan kochanowski university, kielce, chairs

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startup, businessman, entrepreneur, school, conclusion, task, trust, self confidence, board, chalk, students

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group, people, sitting, chairs, room, Training, Volunteers, Learning, Indoors, team, meeting

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projector, video, media, cinema, film, light, projection, conference, presentation, office, business

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bored, teenage, school girl, sleeps, class, -, editorial use, school kid, sleep, sleeping, classroom

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man, standing, front, laptop computer, lecture, lecturer, profession, work, imagine, commitment, world of work

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blue theater chairs, auditorium, classroom, lecture, education, empty, theater seating, audience, theater, seminar, room

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woman holding microphone, Speaker, Teaching, Training, Business, professional, seminar, meeting, conference, education, event

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red, gang chairs, inside, room, lecture hall, assembly hall, audience, lectures, school, university, the university

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group, people gathering, activity event, group of people, activity, event, meeting business, conference, people, lecture, business people group

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German, French, Lecture, writing, culture, communication, language, translation, understand, international, exercise

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gray toshiba projector, Projector, Presentation, Light, Training, lecture, technology, camera - Photographic Equipment, equipment, single Object, black Color

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black, metal chair lot, brown, flooring, Auditorium, Chairs, Audience, University, seminar, lecture, empty

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man, white, dress shirt, lecture, presentation, event, people, men, indoors

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brown chairs, Chair, Rows, Seat, Indoor, seating, audience, church, congregation, array, pattern

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man, wearing, black, formal, suit, holding, gray, laptop computer, colleagues, business, lecture

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Chairs, Folding Chair, Metal, chair, plastic, in the, blue, lecture, concert, leisure, summer

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Whatsapp, Communication, Social Networks, smartphone, communicate, phone, internet, network, social, green, lecture

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classroom, university, student, class, write, teacher, whiteboard, male, school, hand, study

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grey, table microphone, closeup, photography, microphone, speech, lecture, speakers, occurs, speaker, fair

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chair, audience, chairs, lectures, match, stadion, games, the pitch, sport, school, the university

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person, white, shirt, presenting, crowd, speaking, presentation, man, conference, meeting, business

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man, writing, white, book, address, african, african american, african descent, afro, america, american

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león, de, greiff hall, national, university, León de Greiff, Hall, National University, Colombia, Bogota, auditorium

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man, wearing, black, suit jacket, holding, microphone, presenter, master of ceremony, lecture, events, prom

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webinar, education, training, learn, seminar, teaching, businessman, man, suit, interactive, interaction

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lecturer, lecture, university of applied sciences, university, rhetoric, speech, seminar, tie, energy, emotion, men

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brown, wooden, sculpture, concrete, surface, one against all, all against one, discussion, symbolic, game characters, wood

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office cubicle, computers, class, room, lecture hall, school, university, the university, the jan kochanowski university, kielce, chairs

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gray, scale photo, man, formal, suit, gray scale, mark twain, person, portrait, author, writer

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silhouette, person, holding, books illustration, books, man, businessman, teacher, professor, lecturer, education

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person, black, suit illustration, books, man, businessman, teacher, professor, lecturer, education, skills

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group, people gathering, seminar, audience, speech, speaker, presentation, business, meeting, public, conference

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man, taking, teaching, online, course, internet, call, headset, copyspace., webinar, teacher

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person, using, computer, side, room, computer workstations, screens, monitor, computer room, network, internet

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black, text, white, background, german, french, lecture, writing, culture, communication, language

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woman, lecturer, instructor

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lecturer, lecture, university of applied sciences, university, rhetoric, speech, seminar, tie, energy, emotion

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lecturer, lecture, university of applied sciences, university, rhetoric, speech, seminar, tie, energy, emotion

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woman, wearing, black, jacket, holding, dynamic, microphone, dynamic microphone, anna chlopecki, lecturer, in wikipedia

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person, writing, paper, grayscale photography, copy space, design space, diary, feeling, grayscale, hands, handwriting

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Homework, Microbiology, Biology, biochemistry, lab, scientific, lecturer, microscope, analyzing, science, illness

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the kozminski university, warsaw, audience, university, chairs, lecture, table, ranks, lectures, education, an empty

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man, wearing, formal, suit, holding, silver laptop computer, woman, black, blazer, man and woman, laptop

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man, wearing, black, notched, lapel suit jacket, colleagues, seminar, presentation, business, office, lecture

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science, map, lecture, students, geography, school, education, hemisphere, globe, contours, dark

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