Juxtaposition

Juxtaposition is similar to contrast or also mean one object oppose one another.

Here is a good example of Juxtaposition



This ironic juxtaposition of two signs on a public beach reveals the complex task that society faces in protecting both land and water quality. The U.S. Environmental Protection Agency has established National Beach Guidance and Performance Criteria for Recreational Waters designed to ensure the public's health and improve environmental protection for beaches. The Clean Water Act restricts discharges of pollutants into the nation's waterways.





Sources from :http://www.waterencyclopedia.com/Ce-Cr/Clean-Water-Act.html