"Scrappage" is a term used to refer to the process of disposing of outdated or unusable things, usually vehicles, by exchanging them for a new one. There are several synonyms for this word that can be used to describe this process. These words include "retirement," "decommissioning," "disposal," "recycling," "junking," and "scrapping." Similarly, different industries use different words to describe this process, such as "trade-in" in the automobile industry. The use of these synonyms is useful in creating more interesting and varied text when describing the process of disposing of older or ineffective equipment, products, or vehicles.