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.
Many street lights are orange because of the type of bulb used. The two main types of street lighting used in the United States are sodium-vapor bulbs and mercury-vapor bulbs. Both types work by applying electricity to a sealed container of gas in order to create light.