Menene ƙarfe mai kusurwa da ake amfani da shi yawanci?
Shin ƙarfe mai kusurwa yana da galvanized ko ba a yi masa magani ba?
Ta yaya mai nuna hasken rana ke inganta ingancin makamashin hasken rana?
Shin farfajiyar mai nunawa tana da juriya ga yanayi?
Waɗanne kayan ne aka yi da fitilunku?
Za a iya tsara tsawon fitilun fitilun a tsawo ko zane?
Waɗanne saurin iska ne ake buƙata don turbin ya samar da wutar lantarki?
Shin turbins sun dace da tsarin waje da grid?
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