IEVref:845-09-09ID:
Language:enStatus: Obsolete
Term: permanent supplementary artificial lighting (in interiors)
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Definition: permanent artificial lighting intended to supplement the natural lighting of premises, when the natural lighting is insufficient or objectionable if used alone

NOTE – This type of lighting is generally denoted in brief by the initial letters PSALI of the words of the English term.


Publication date:1987
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