 
 <prompt> Wetin be di reason for di length of di Centennial Light? Based on di previous question, write a context wey contain di answer. E fit be 1 - 20 sentences. Context: <response>: The relationships wey dey above na valid for only small small change for voltage around rated conditions, but e show say if person dey use bulb for much lower voltage pass the rated one, e fit last for plenty plenty times longer pass the normal, even though the light wey e dey give go reduce well well. The "Centennial Light" na bulb wey Guinness Book of World Records don accept say e don dey burn almost non-stop for fire station for Livermore, California, since 1901. But the bulb dey give light wey be like four watt bulb. Another similar gist dey about 40-watt bulb for Texas wey don dey shine since 21 September 1908. E bin dey for opera house wey celebrities dey always stop to see the light, and dem carry am go museum for 1977. 