Climbing a few flights of stairs is considered healthy exercise, but when the elevators of a towering skyscraper break down, they cost thousands of dollars in lost business, not to mention the safety hazard they pose to tenants.... Read More

Modern elevators offer many perks including smooth operation, communication in case of emergencies, and quick rides. In fact, most of us take riding an elevator for granted. We push the button, step in, choose our floor and step off.... Read More