SFGTV December 13, 2013
Elements for the vertical transportation that we call it in the system and that is built in the various and the sustain able materials, and the steel and the stainless steel. And used them from them and the transparent and the transient materials to create the safety and feesbility and also use the led back light as a lighting as a back lit for way finding illuminating for the environment purpose. So, we will encourage that the patrons feel comfortable to use those vertical elements systemwide. ...
Source: archive.org