After being exposed to air during digging, the coating under the paint began to fall off.

挖掘过程中经暴露在空气中后，油漆下的涂层开始脱落。

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Steel surface should be no visible oil, dirt, scale, rust and paint coating attachments, any markings should be only slight discoloration of dot or stripes.

钢材表面应无可见的油脂、污垢、氧化皮、铁锈和油漆涂层附着物，任何残留痕迹应仅具点状或条纹状的轻微色斑。

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Steel surface should be no visible oil, dirt, scale, rust and paint coating and other attached objects, the surface should be showed homogeneous metal color.

钢材表面应无可见的油脂、污垢、氧化皮、铁锈和油漆涂层等附着物，该表面应显示均匀的金属色泽。

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And, as well as all the environmental benefits of eliminating paint, the film-coating has the added advantage that it can save fuel by reducing the friction between the aircraft's skin and the air.

ECONOMIST: It’s a wrap | The

Another significant player in the coating and paint industries, the Sherwin-Williams Company, is up 14.7% this calendar year.

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