Home Know Refresh Back Log in
Household LED lamps
Date:2011-05-26 13:53
Status:Be resolved
Question: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
Best answer:
No best answer
[All answers(0)] [Let me answer]
12/14 Next Pre Home page Last page

Know


Back Refresh WAP Home Web version Login
06/25 18:11