Musical and orchestral background music in the game, in front of the stage does not block vision and distract the audience in order to ensure and, if necessary; orchestra on stage in front of the stage floor and expanded to be used as a complete system that provides.
3-Systems can be manufactured as a rope.
Once opened, the system switches control button with the command below with the help of the moves and the last level with the help of the following stop switch automatically stops. Performs the same operation with the command above the contrary. To stop providing the desired level also has the stop button. To ensure the safety of the system below and above stop switches are four pieces. Consequently the thermal control panels are systemic. System up and down movement of ~ 1.5 - 2 minutes is complete.