Solar auto darkening waldi hula ana amfani da ko'ina a cikin walda masana'antu. Kayan kariya ne na sirri. amma kuma wani muhimmin kayan aiki ga welders. Kwalkwali mai duhun walda ta atomatik yana ɗaukar ƙarin muhimmiyar rawa wajen kare walda, haɓaka ingancin walda da inganci.
