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ефикасност

A measurement of how effective the light source is in converting electrical energy to lumens of visible light. Expressed in lumens-per-watt (LPW) this measure gives more weight to the yellow region of the spectrum and less weight to the blue and red region where the eye is not as sensitive.

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Branche/domæne: Fruits & vegetables Category: Fruits

краставица

A long, green, cylinder-shaped member of the gourd family with edible seeds surrounded by mild, crisp flesh. Used for making pickles and usually eaten ...