Ha ho etsoa bopaki ba PCB, lera la lead-tin resistance le kentsoe pele karolong ea foil ea koporo e lokelang ho bolokoa karolong e ka ntle ea boto, ke hore, karolo e hlakileng ea potoloho, ebe foil e setseng ea koporo e kenngoa ka lik'hemik'hale. hole, e bitsoang etching.Kahoo, ho bopaki ba PCB, ke mathata afe a ...
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