Ho latela "China Green Lighting Project" ea Chaena, ho boloka matla a mabone ho fetohile karolo ea bohlokoa ea ho boloka matla. LED ke likarolo tsa semiconductor tse kopantsoeng, tse nang le ts'ebetso e phahameng e khanyang, ts'ireletso ea tikoloho, bophelo bo bolelele, boholo bo nyane, joalo-joalo, e tiile ...
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