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اضاءة 3000 كلفن
Transition between 3000, 4000, 6000 K - YouTube
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Barney Stringer on Twitter: "Bulb makers are trolling me. If 3,000 Kelvin is “warm” how is 4,000 Kelvin “cool”? Surely you mean “white hot”? https://t.co/6UnofPAYwE" / Twitter
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