Machine-Room-less Elevator System: A new so-called machine-room-less elevator system was designed by the elevator industry. There is no ... This compact machine was so small and powerful that it could be mounted in the hoistway on an elevator car guide rail and thus the first ... The advantages of this system include flexible space-saving configurations; more lease space; rapid installation; moreanbsp;...
|Title||:||The skyscraper and the city|
|Author||:||Lynn S. Beedle, Mir M. Ali, Paul J. Armstrong|