Household LED lamps
fecha:2011-05-26 13:53
estado:para resolver
pregunta:admin
electricity savings, and the lamps should not need replacing for 20 years.[19] In 2009, the Manapakkam, Chennai office of the Indian IT company iGate spent 3,700,000 Indian rupees (U$80,000) to light 57,000 sq ft (5,300 m2) of office space with LEDs. The firm expects the new lighting to pay for itself fully within 5 years.[20]
LEDs on a big Christmas tree
In 2009 the exceptionally big Christmas tree standing in front of the Turku Cathedral in Finland was hung with 710 LED bulbs, each usin
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