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.
Incandescent bulbs and halogen bulbs will work with any dimmer, and while the dimmer can be of the less expensive variety, keep in mind others come with additional features. People who want to use fluorescent and LED bulbs should enter the terms dimmable fluorescent light or three-way fluorescent or LED bulb.