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What are the measures and methods to prevent spots, alkali spots, calcium spots, and mildew spots?

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1) Fresh spots: cook evenly, if not good, re-cook;

2) Alkali spots: The cover cloth on the surface of the pot should be laid to prevent the cloth from floating out, and the residual liquid should be washed in time to prevent the cloth on the four walls of the cloth from being heated and baked. The alkali on the cloth should be concentrated and it will become non-toxic. Even spot stains can be washed away with dilute hot hydrochloric acid after discovery;

3) Calcareous spots: use the scouring water after it has been softened. The scouring liquid should be added with a softener and then soap. If calcium spots are found before dyeing, they can be washed with dilute hot hydrochloric acid;

4) Mildew .Strictly control the number of products in progress, try to avoid stains during transportation; pay attention to chemical operations to ensure that the dye is fully dissolved; ensure that the process is on the car during dyeing; pay attention to foam during the dyeing process Impact; try to eliminate the interference of heavy metal ions; clean equipment;


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