The 4 Fs nke Lighting Health: Ọrụ, Flicker, Uju nke Spectrum, na Nlekwasị anya N'ozuzu, ọgaranya nke ìhè spectrum, ìhè flicker, na mgbasa / lekwasịrị anya nke ìhè nkesa bụ atụmatụ atọ nke ọkụ artificial nwere ike imetụta ahụike gị. Ebumnuche bụ imepụta l ...
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