How do CFLs differ from fluorescent light tubes? what is their basic principle? What harm they do to the atmosphere after they are discarded?
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A compact fluorescent lamp (CFL), also called compact fluorescent light, energy-saving light ... A CFL has a higher purchase price than an incandescent lamp, but can save ... The first fluorescent light bulb and fixture were displayed to the general public at ... CFLs produce less light later in their lives than when they are new.
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