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2025-08-14 16:40
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    1. Surface Preparation The success of soldering hinges on proper surface preparation. Before soldering, it is essential to remove any oils, dirt, or oxidation from the surface. For galvanized iron, this often means using a wire brush or sandpaper to clean the area. It's also critical to remove the zinc coating at the joints to promote better adhesion.


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    One of the most critical stages of water treatment is disinfection. This step is vital for killing pathogenic microorganisms that can cause diseases. Common disinfection methods include chlorination, where chlorine or chlorine compounds are added to kill bacteria and viruses, and UV radiation, which uses ultraviolet light to destroy harmful pathogens. The effectiveness of these methods is crucial in ensuring that treated water meets health standards set by regulatory bodies.