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2025-08-18 00:20
2025-08-17 23:29
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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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    1. Size and Efficiency Solar panels come in various sizes. Typically, residential solar panels are about 60 cells, producing around 250-350 watts per panel. Higher wattage panels are generally more expensive but can generate more electricity, providing better long-term savings.


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