What is the current state of renewable energy sources and how are they being utilized in residential and commercial settings?
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Ni hali gani ya sasa ya vyanzo vya nishati vinavyoweza kuboreshwa na ni jinsi gani vinavyotumiwa katika mazingira ya makazi na kibiashara?


submitted
Ni hali gani ya sasa ya vyanzo vya nishati vinavyoweza kuboreshwa na ni jinsi gani vinavyotumiwa katika mazingira ya makazi na kibiashara?