A preamble is usually used for formal documents; you wouldn't include one in a text to your best friend. noun-A preliminary statement, especially the introduction to a formal document that serves to explain its purpose. noun-An introductory occurrence or fact; a preliminary.
Check out our wide range of long-lasting LED light bulbs, energy-saving CFL light bulbs, and other options like incandescent, fluorescent bulbs and halogen bulbs. We also carry light bulbs from best-in-class brands like Philips, GE, EcoSmart and more.
The bulbâs brightness, measured in lumens, and a disclosure for bulbs containing mercury will also be printed on each bulb. Incandescent Bulbs. Incandescent bulbs are the original type of bulb as designed by Thomas Edison. They produce light when an electric current passes through a filament and causes it to glow. Inexpensive and widely available, they are the most commonly used bulbs today, but are being replaced by more energy efficient choices.