Видеокурс “Антенны“ [club51080272|Проект “Научная Критика“] [club51080272|Вся правда о сверхъединичных устройствах] Комплекс уроков “Электричество“ 1) These solar collectors with curved reflectors cover large areas and are used to capture and concentrate sunlight. 2) light then heats a synthet...
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