Seesaw a "teeter-totter". According to linguist Peter Trudgill, the term originates from the Nordic language word "tittermatorter". A "teeter-totter" may also refer to a two-person swing on a swing seat, on which two children sit facing each other and the teeter-totter swings back and forth in a pendulum motion. Both "teeter-totter" (from "teeter", as in "to teeter on the edge") and "seesaw" (from the verb "saw") demonstrate the linguistic process called reduplication, where a word or syllable is doubled, often with a different vowel. Reduplication is typical of words that indicate repeated activity, such as riding up and down on a
Playground are responsible for most injuries. Playgrounds in low-income areas have more maintenance-related hazards than playgrounds in high-income areas. For example, playgrounds in low-income areas had significantly more trash, rusty play equipment, and damaged fall surfaces. As a result of what some experts say is overprotectiveness driven by a fear of lawsuits, playgrounds have been designed to be, or at least to appear, excessively safe. This overprotectiveness may protect the playground owner from lawsuits, but it appears to result in a decreased sense of achievement and increased fears in children. The equipment limitations result in the children receiving less value from