After the bacteria remove the salts, experts clean and dry the surface of the paintings to preserve them for years to come.
在用细菌除去盐层之后，专家们对绘画表面进行了清洁和干燥处理来保护其度过以后的年月。
Wash the wafers with mixed acid, lotion and UPW (ultra pure water) by ultrasonic cleaning in wet sinks to get a clean and dry surface of wafers.
用混合酸、清洗剂和纯水在清洗槽或超声波清洗机内清洗硅片，使其表面洁净并烘干。
Once surface is clean and dry, test surface and be sure that it's clean.
一旦表面清洁，干燥，测试表面，并确保漆面是干净的。
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