Babban yanki. Ana buƙatar dumama da sauri, kuma mafi mahimmanci shine daidaitawa da kwanciyar hankali kula da zafin jiki Daban-daban hanyoyin zafi da ake samu, Gabaɗaya sune wutar lantarki, tururi, iskar gas, dizal, pellets biomass, gawayi, itacen wuta. Idan akwai wasu...
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