With lighting, we can use windowless areas of homes, hospitals, offices, schools, stores, and other buildings 24 hours a day. Lighting also enables us to use outdoor sports areas, such as baseball and football fields and tennis courts, at night.
Lighting provides safety in a number of places.
At home and at work, good lighting helps us see things clearly and avoid accidents. Street lights and automobile lights help us travel safely. Signal lights guide motorists, airplane pilots, railroad engineers, and ship captains. Companies and stores use lighted signs to identify themselves and to advertise their products. In addition, lighting adds beauty to homes and other buildings and to parks.