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The rotating tumbler bowl balanced an all time to make spills of the past past.
For mang housewife,they must be very careful when deliverong soups because the soup is easy to be spilled.The rotating tumbler bowl is a sweet bowl since it can provide protection against accidental spills.
The tumbler bowl has two parts:two handles with semi-circuar frame at one end,and a ring can spin 360 degrees around the bowl in different directions.The bowl will always horgontal,Tumbler Bowl has been designed according to the theory centripetal force.