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.
Difference between Incandescent, CFLâs and LEDâs. Incandescent, compact florescent lights or CFL s and LEDs are all popular light bulb types that have varying advantages and disadvantages.Incandescent lights can be found in almost any type of light fixture and are the cheapest and easiest to produce.Of the three they also give off the most natural lighting.FLâs are a newer form of lighting that last longer than incandescent lighting, and use the same technology employed in the type of florescent lighting seen in industrial light fixtures, but in a more compact form. LEDâs are tiny lights that use a semi-conductor light source.