Ключевые слова: audience, auditorium, business, businessman, communication, conference, congress, convention, corporate, debate, education, entrepreneur, equipment, event, explaining, giving, hand, learn, lecture, lecturer, male, man, meeting, mic, microphone, modern, people, person, politician, presentation, professional, public, seminar, speak, speaker, speaking, speech, talk, talking, technology, training, voice, work, workshop,