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.
Halogen bulbs produce a bright white light. They become much, much hotter than other types of bulbs and should not be used near combustible materials or touched during or shortly after use. Fluorescent: These tube-shaped lights are often used as overhead lighting for large areas such as retail stores or home basements.
1 First, determine what bulb type you're replacing. The most common type is the standard or medium base bulb, but we offer LED replacement bulbs for candle/candelabra bases, halogen and more.  Next, match the brightness (measured in lumens) of your new LED bulb to the one you're replacing.