7.1 the coating has blistering and falling off<br>7.2 rust and corrosion spots on the coating surface<br>Discoloration<br>7.3 scraping hand with burr on electroplated coating<br>7.4 scratches on the coating surface<br>7.5 scratches on the coating surface<br>7.6 there are discoloration spots on the coating surface<br>
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