scenario 07 scenario Participants: Participants: • • • • • • • • Turnstile worker (at her post) Policeman (at his post) Vitalya 1 Vitalya 2 67 08 Turnstile worker (at her post) Policeman Vitalya 1 Vitalya 2 Time: Time: Not during the rush hour Anytime Vitalya 1 leaves his workplace because of urgent issues. Vitalya 2 operate the frames. Policeman caught Unit, 2 witnesses are needed. In the case, if Unit came, Vitalya 2 take Unit to X-Ray. Frames are unattended. Vitalya 1 leaves his workplace to be witness, Policeman take one more from the crowd. They (4 person) go away. Turnstile worker substitute Vitalya 2, (1) at the frames. Only Vitalya 2 on workplace at the frames, Turnstile worker have to help Vitalya 2. Conclusion Conclusion Turnstile worker has to be qualified. Mobile operator is needed for brakes and rush hour. Only Vitalya 2 on workplace at the frames, Turnstile worker have to help Vitalya 2.