M'zaka za zana la 21, kapangidwe ka kuwala kwa LED kadzatenga mawonekedwe a kuwala kwa LED monga njira yayikulu, ndipo nthawi yomweyo ikuphatikiza njira yowunikira kuyatsa yokhala ndi zabwino zinayi zakupulumutsa mphamvu, thanzi, luso, ndi umunthu, ndikukhala wowunikira kwambiri. chikhalidwe.1. Kusunga mphamvu....
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