A project could easily need many worker roles that only run at set times and, once completed, should shut down automatically.

一个项目很容易会需要很多工作者角色，他们只在指定的时间运行，并且，一旦完成就应该自动关闭。

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When it was founded in 1926, Toyoda Automatic Loom Works (as it was then known) manufactured automatic fabric looms that could detect problems and shut down automatically.

当1926年成立之时，丰田自动织机制造工厂（后来众所周知的名称）生产自动织布机，该机器能够察觉问题并自动关机。

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