Study of Elevator Installation, Rail Hoisting, Bracket Alignment, Guid Rail Alignment. 

I am making video on basic Elevator Installation processes. if You undustand this, You can install defferent types of Elevator.
Raffe. Video for Dimension
1. ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-DWANL4mbiHs.html