Along with cell phones, other items in Group 2b include lead, traditional Asian pickled vegetables, coffee, certain food dyes and working as a firefighter or dry cleaner.

除了手机，2 B类中其他物质包括：铅、亚洲泡菜、咖啡、某些食物染料还有救火员或干洗店员的工作环境等。

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At the same time, it will be encouraged to use the automobiles powered by cleaner fuels, fuel cell vehicles, electricity-powered vehicles and other types of lower emission vehicle.

鼓励使用清洁燃料车、燃料电池车、电动汽车及达到更高排放标准的车辆。

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A cleaner-passivator composition and method for treating a fuel cell cooling system are described.

本发明描述了清洁剂-钝化剂组合物及处理燃料电池冷却系统的 方法。

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The reason that businesses are in the fuel-cell race today is simple: the hope of cleaner and more efficient products points to higher profits.

ECONOMIST: Stepping on the gas