I found that grade two was not only the power to point out contradictions.

我发现第二等级不仅是指出矛盾的力量。

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These attributes can include access to natural resources, such as high grade ores or inexpensive power, or access to highly trained and skilled personnel human resources.

这些性质包括占有自然资源如高质铁矿石或便宜的能量，或者拥有高素质的人才。

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When such damage comes to the surface of steel and rust occurs, the surface shall be cleaned by power tools to the secondary surface preparation grade and coated as originally painting scheme.

如果钢表面发生上述损坏，产生锈，用电力工具对表面进行清除，处理至二次表面处理等级，涂上一层与原始油漆一样的涂层。

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Unfortunately for Kodak, not even weapons-grade nuclear power could save the company from its own irrelevance in the digital age.

FORBES: Corporations Of Mass Destruction: Eastman Kodak Operated A Nuclear Reactor With Weapons-Grade Uranium For 30 Years

One female lawyer, now 58, says she met her earliest power nemesis in the first grade.

FORBES: Power Women And Their Power Nemeses

These materials include low-grade waste from power stations and small devices containing radioactive materials such as cesium-137, used in some cancer treatments, cobalt-60, used in food irradiation, or americum, incorporated in sensors for oil exploration.

ECONOMIST: How dirty bombs are made, and what they can do