Dim sum restaurants can do this well because they can crank them out in volume. A stack of 4 piece dishes gets snapped up quickly as the cart makes its way thr

Dim sum restaurants can do this well because they can crank them out in volume. A stack of 4 piece dishes gets snapped up quickly as the cart makes its way through the floor. It's also why the larger dim sum palaces are usually so much better than smaller a-la-carte restaurants.