Surfaces to be welded or thermally cut shall be cleaned of all foreign material such as grease, oil, dirt, scale, slag and paint that would be detrimental to either the weld or base material.

需焊接或热切割的表面应排除所有可能会损坏焊材或母材的杂物，如脂、油、灰尘、水垢、熔渣和油漆等。

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He tends to paint a bleaker picture of the nation and apologize for past behaviors in foreign affairs.

他似乎展现了这个国家毫无希望的一个图景，并且为以前的一些国际事务上的行为道了歉。

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Application faults, such as over-spray, pores, cracks, color variation, or foreign objects embedded in the paint, are not allowed.

涂刷缺陷，如过度喷涂、气孔、裂纹、颜色差异或在涂料中嵌有异物等都是不允许的。

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Within U.S. politics, the push on display this past week, even if partly a feint, ought to give pause to foreign-policy hardliners who paint the Obama administration as weak in projecting American power and interest.

FORBES: That Was the Week That Was in Asia