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Mumakore achangopfuura, Dhipatimendi reSimba reUS (DOE) rakagadzira mitemo mitsva yekushandisa simba zvakanaka kwezvinhu zvekubika zvemumba (kusanganisira maovheni nemidziyo yekubika). Semuenzaniso, mutemo we "Energy Conservation Standards for Consumer Consumer Conventional Cooking Products", wakaburitswa mu ... Verenga zvakawanda»
