Kamar yadda muka sani, a zamaninmu, muna buƙatar ƙarin samfuran da muke amfani da su, ko yanayin da muke aiki, kuma tsabtataccen muhallin da aka samar yana da mahimmanci don ingancinsa, don kiyaye tsabtarsa, muna amfani da ɗaki mai tsabta. don isa irin wannan muhalli mai buƙatar...
Kara karantawa