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Incandescent Light Bulbs

New Technology Could Help Save Glenwood CavernsThe Glenwood Caverns have given visitors the opportunity to go deep underground inside the Rocky Mountains. But the lights that allowed people to see where they are going started causing some damage to the caves.
Bluebird Theatre Will Save Big With New BulbsThe Bluebird Theater landmark that's been since 1913 and it will shine a lot longer with new light bulbs that use 73 percent less energy.
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