Assertion: led's cost | /r/HasProperty | reduced as result
Facets:
Source sentences:
text: As a result, replacement and maintenance costs are reduced; • since the advent of LEDs for several decades, there has been an annual decline in the cost of LEDs by an average of 20%; • compared with fluorescent lamps, LEDs do not emit harmful ultraviolet rays, destructive materials and discoloration paints, making them the ideal lighting solution for installation in shop windows, museums, and art galleries; • LED lighting devices generate heat, but the beams of light emitted by them are cold.