1. Yin amfani da gaggawa: Hana katsewar wutar lantarki na bazata wanda ke shafar aikin yau da kullun.2. Yin amfani da yau da kullum: kawar da hawan wutar lantarki, babban ƙarfin lantarki nan take, ƙananan wutar lantarki na gaggawa, sautin waya da mitar mita, kamar gurbatawa, inganta ingancin wutar lantarki, samar da ...
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