/ http://www.slideshare.net/images/logo.gif / 際際滷Share feed for 際際滷shows by User: OlegYuVorobyev1 https://cdn.slidesharecdn.com/profile-photo-OlegYuVorobyev1-48x48.jpg?cb=1571704721 eventology of fire safety and of auditing fire safety https://sfu-kras.academia.edu/OlegVorobyev