Household LED lamps
fecha:2011-05-26 13:53
estado:para resolver
pregunta:admin
pically drop less than 10% after 6000 or more hours of operation, and in the worst case not more than 15%.[7] They are also mercury free, unlike fluorescent lamps. LED lamps are available with a variety of color properties. The higher purchase cost than other types may be more than offset by savings in energy and maintenance.[8]
Several companies offer LED lamps for general lighting purposes.[9] The C. Crane Company introduced a 7-watt replacement for a 60-watt bulb, the Geobulb,[10] with an eff
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