I. Describe rust of the stainless steel 304 of frame enclosure and accessories: - According to inspection with Mr.Tuyen for some issue in the Front end room that Mr. Tuyen had some comment about rust on the surface of stainless steel frame. And follow as checking with eyes that all equipment and material of stainless steel were dust on the surface of stainless steel frame. In fact, we carefully cleaned small part of the frame, which only dust on the surface of equipment and material. Except some part has the covering and protection on the surface that without dust. - The dust on the surface of stainless steel metal was the result of vapor and acid, which has condensed on the surface of stainless steel frame
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