Ключевые слова: 30s, 3539 years, answering, architecture, associate, audience, auditorium, business, businessman, communication, conference, confidence, confident, congress, convention, demonstrating, disabled, discussing, discussion, doubt, education, entertainment, global, guest speaker, handicapped, holding, indoors, large group of people, leader, leadership, lecture, lecturer, looking, male, man, mid adult, mid adult men, mixedrace, mixedrace person, occupation, part of, performance, physical impairment, podium, presentation, professional, projector, public, public speaking, query, questioning, raising hands, seating, seats, seminar, sitting, smart casual, speaker, speaking, spectators, speech, stage, teamwork, theater hall, together, training, wheelchair, white, woman, workshop,