Ключевые слова: academic, assembly, audience, black and white, business, businessman, co operation, committee, conference, congress, convention, convention center, cooperation, corporate, council, development, economic, education, election, event, gesturing, group, institute, lecture, lecture hall, lecturer, listeners, manager, meeting, organisation, party, people, presentation, professional, proletariat, public, retro, seminar, sepia, sitting, speaker, speech, staff, trade union, training, union, university, vintage, workers, working class,