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.
Sorry to hear that! However, my column was about LED lights, not compact fluorescent light bulbs. Compact flourescents are basically curlicue tubes filled with gas that lights up. LED bulbs use tiny light-emitting diodes, of the type you have seen in some flashlights and the âflashesâ of smartphones.