Yemukati Material Carbon Zinc Battery: Yakagadzirwa nekabhoni tsvimbo uye zinc ganda, kunyangwe iyo yemukati cadmium uye mercury isingaite kuchengetedza kwezvakatipoteredza, asi mutengo wakachipa uye uchine nzvimbo mumusika. Alkaline Battery: Usave neheavy metal ions, yakakwira ikozvino, condu ...
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