There may not be two unions in a same region or in cooperative enterprises of same business scope in a same region.

同一区域或同一区域内同一业务之合作事业，不得同时有二个联合社。

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Two unions, the teachers and prison guards, exert overwhelming political power in their own interest.

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The two unions, accused of trying to outdo each other in negotiating wages, denied instigating the clashes.

CNN: South Africa shocked by police shootings at mine

The two unions linked up earlier this year to form Amicus, which has a million members, mainly in manufacturing.

BBC: Tony Blair, left, Derek Simpson, and Ken Jackson, right