Ключевые слова: awaiting, back, board, business, chair, class, classroom, coach, coaching, conference, discussing, distance, distancing, education, epidemic, explaining, isolation, lecture, lecturer, lesson, lockdown, man, meeting, office, pandemic, presentation, presenting, professional, quarantine, rear, school, seats, seminar, sitting, social, student, study, studying, teacher, teaching, to, trainee, trainer, training, view, virus, waiting, white, whiteboard,