I have low calcium and zinc on my hair mineral analysis. My vitamin D is around 42 ng/dl. Could the low calcium be an indication of calcium efflux and...
More You May Like. A candelabra base light bulb is a specialty bulb with a smaller threaded base than normal. 1  Candelabra base bulbs are typically used in night lights, chandeliers, or other fixtures.  They have a 12mm diameter base (sometimes listed as an E12 base), which is noticeably smaller than a normal bulb.
Types of Light Sources and Light Bulbs. The performance of any light fixture depends very much on the light source (bulb) used. Different bulbs produce different lighting effects, and many bulbs have widely varying performance. To save energy, select the most efficient light bulb that will provide the type of lighting you need. Beginning in mid-2011, the packaging on your favorite light bulbs will change. Click here to learn more about the new focus on lumens rather than watts. Another source is LUMEN, which stands for Lighting Understanding for a More Efficient Nation.