When electric insulation is required, non-metallic coating, protective non-metallic tube or insulating joint, etc., can be adopted for the insulation implementation.

当要求电气绝缘时，可采用非金属镀层、非金属外保护套管或绝缘接头等方式来实现。

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A protective coating of colloidal silver is painted on the inside and outside of the filter to kill bacteria.

VOA: special.2009.06.22

McPhail explains that Liquipel has developed a proprietary nanotech coating that adding a superthin protective coating to all of the phones parts.

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Scientists have developed a self-healing protective coating for concrete that could greatly reduce the need to regularly rebuild roads.

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The company saw growth in five of its six segments, including the two segments involved in the protective coating both vehicles and industrial building supplies.

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