Ключевые слова: adult, appliedsciences, business, chemist, classroom, college, concentration, corporate, costume, data, education, entrepreneur, explain, face, female, formulas, girl, graph, handwriting, idea, instruct, lesson, man, math, medicine, model, pen, physics, pointing, portrait, presentation, problem, researcher, school, scientist, seminar, sketch, solve, space, student, teach, teacher, team, teamwork, technology, transparentboard, university, white, woman, writing,