The document outlines various types of lamps including incandescent, halogen, fluorescent, and LED, detailing their construction, efficiency, lifespan, and applications. Incandescent bulbs are common but inefficient, while halogen bulbs offer improved brightness and efficiency. Fluorescent lamps are energy-efficient but contain hazardous materials, and LED technology is highlighted as a future-oriented option due to its low energy consumption and long lifespan.