It was a safety issue at the beginning. The ban was made in 1949
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送交者: HunHunSheng 于 2005-4-14, 13:19:55:
回答: 那是,可为什么全国就nj弄一帮人帮你加油,这是解决就业问题啊? 由 shine 于 2005-4-14, 12:43:22:
and now proponent of the ban do think it is good for creating jobs
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