http://roelevator.com/ エレベーターの歴史 ja Thu, 11 Dec 2008 11:48:06 +0900 Thu, 11 Dec 2008 11:48:07 +0900 http://roelevator.com/index.html An elevator or lift is a vertical transport vehicle that efficiently moves people or goods between floors of a building. They are powered by electric motors that either drive traction cables and count… Thu, 11 Dec 2008 11:48:07 +0900 http://roelevator.com/index.html