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The 1950s became popular at the united states,australia and
japan and other countries.owing to a beautiful,the exercise
of these activities,soon becomes an exercise to both project
design.the improvement of the traditional a hula hoop storage
space and is not convenient for transport,in charge of the way,
conserving space,and easy to carry.
Jiangxi University of Finance and Economics
Ting Li Luting Xia Zhi Zhu Zhongbiao Jiang