image tag: lecturer, main color: green, image quantity: 30

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birger kollmeier, professor, blackboard, physics, lecturer, university, teacher
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lectures, professor, entrepreneurship, cafe
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colleagues, business, lecture, notebook, teaching, business people, business man
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preparation, workshop, meeting, lecture, event, training, learn
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colleagues, seminar, presentation, business, office, lecture, notebook
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preparation, workshop, meeting, lecture, event, training, learn
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gray, wooden, conference, table, workspace, office space, chair
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black-and-white, book, dark, fiction, hands, lecture, library
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auditorium, classroom, lecture, education, empty, theater seating, audience
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work, study, office, casal, education, lecture, seriousness
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board room, chairs, conference room, floor, indoors, meeting, office
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chairs, seat, sit, presentation, lecture, performance, black
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talk, lecture, speakers, microphone, event, man, meeting
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auditorium, benches, chairs, class, classroom, college, conference room
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dolls, bed, teaching, class, lecture, interior, hospital
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school, room, training, lecture, exercise, monitors, monitor
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training, measurement technology, check, measure, low-voltage, digital, cable
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texture, nature, leaf, paper, background, text, card
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adult, blur, boss, business, career, chair, close-up
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green, plastic, theater, chair, chairs, seat, arena
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theatre, lecture, cuckoo's nest
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singer, men's, talent, shirt, music, lecturer, mood
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chairs, rows of seats, group, meeting, seminar, speech, space
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presenter, master of ceremony, lecture, events, prom, ceremonial, communication
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people, convention, group, conference, seminar, business, lecture
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microphone, public, old, weathered, vintage, dirty, retro
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speaking, presentation, man, person, conference, meeting, business
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german, french, lecture, writing, culture, communication, language
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german, french, lecture, writing, culture, communication, language
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alexi lamm, lecturer, business, woman, interview, micro, conference