Deta ikuchokera ku SOLAR HEAT WORLDWIDE REPORT.Ngakhale pali zidziwitso za 2020 zokha zochokera kumayiko akuluakulu 20, lipotilo likuphatikiza zidziwitso za 2019 zamayiko 68 okhala ndi zambiri.Pofika kumapeto kwa chaka cha 2019, mayiko 10 otsogola kwambiri m'malo osonkhanitsira dzuwa ndi China, Turkey, United States, Germany, Brazil, ...
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