? Combination of lift and cart between entrance on earth level and parking area ? Suitable for large parking lot : easily expanded parking facility with simple increasing lift and cart ? Separate operation for each floor : even in case of malfunction of a cart caused by some reasons like regular inspection, the other system goes on working well ? Possible to save the height of parking room by constructing of steel plate and structure instead of concrete. ? Optimum capacity : more than 40 vehicles per system...