Playground slides are found in parks, schools, playgrounds and backyards around the earth. Slides are constructed of either plastic or metal and they have a soft surface that is either straight or wavy/rippled. Slides are integral parts of playgrounds. The user, normally a child, climbs to the top of the slide via a steps or stairs and sits down on the top of slide and "slides" down the slide. Some slides are directly, others wind their way down. Slides come in different shapes, sizes and colors. Some slides are commercial, found in playground at parks and schools. Other slides are part of residential playgrounds.