Senior positions in this unit group, such as set-up operator, require experience as a machine operator.

本单元组的高级职位，如安装操作员，需要机器操作员的经验。

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The problems are so far "beyond the design capacity" of the plant that the Japanese are working in uncharted territory, said Michael Friedlander, a former senior operator at U.S. nuclear power plants.

CNN: STORY HIGHLIGHTS

Enter web-comic celebrity Randall Munroe (of xkcd), and his friend Ellen, Senior Reactor Operator at the Reed Research Reactor, who have put together some charts which might help us make sense of all this radiation talk.

FORBES: Measuring the Radiation Threat

Because he knows these sectors, he can move quickly and charge a bundle, as in the case of nursing home operator Senior Health Management, which had 30 days to purchase 40 nursing homes that Kindred Healthcare needed to unload fast.

FORBES: Magazine Article