Elevators Manufacturers in Vadodara. How did elevators used to work? In the past, elevator drive mechanisms were powered by steam and water hydraulic pistons or by hand. In a "traction" elevator, cars are pulled up by means of rolling steel ropes over a deeply grooved pulley, commonly called a sheave in the industry. The weight of the car is balanced by a counterweight. #Elevators-Manufacturers-in-Vadodara.
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