Ключевые слова: acoustic, attending, audience, badge, broadcasting, business, clothes, coaching, communication, company, conference, device, document, effective, employee, entertainment, equipment, event, guard, guy, information, instrument, lecture, listening, man, manager, meeting, mic, microphone, moderator, oratory, organization, performance, presentation, radio, schedule, selfpresentation, seminar, show, sound, speak, speaker, speech, studio, teaching, tie, voice, volume, woofer, workshop,