Elevator is nothing but one or more cars which are metal boxes which rise up and down for vertical transport of people or goods. Parts: Car(metal boxes)CounterweightElectric motor ,Braking systemStrong metal cables and pulleysControl SystemSwitches and SensorsSafety system Basic diagram of elevator system It uses motor for hoisting the car. For vertical movement it uses strong metal cables and pulleys. There are different types of elevators based upon different factors like technologies used,application,speed,hoist mechanism used,whether it carries people or good ,control system used,etc. Two types of elevators that are most commonly used in residential and commercial buildings are: Traction elevators and Hydraulic elevators.For high speed and high rising modern buildings,traction elevators are used.Traction elevators are also energy efficient