Escalators Saving / Escalators Saving

Nowadays, we can see many elevators in public. Also, the power consumption of the elevator is so much, it destroys the environment. If every elevator can be installed the
Kinetic energy at the front side entrance, less electricity usage will be better to earth.When stairway moves, the kinetic energy installation will work. It can store some electricity to provide elevator. The less power consumption could make environment pollution. Besides, there is a LED light on the installation, when fire or electric power cut, the store electricity will provide LED light to tell you where th