1 hour - Troitskaya examines correspondence, talks with workers, holds meetings (83, 6 m). 2h -Troitskaya in the office at work - receives reports by phone from dispatchers (132 m). 3-4h Troitskaya examines a steam locomotive, talks with female workers of the repair team. Troitskaya in the window of a locomotive (3 hours - 120 m, 4 hours - 184 m).