Craft production remedy the inefficiency of mass production through the elimination of waste. Craft production is a part of the informal economy in many cities, such as Istanbul, Turkey where the informal craft economy is a vital source of income for the Turkish craftspeople. Craft markets are highly dependent on social interactions, and verbal training which results in variations in the goods produced. Often, the craft economy consists of craft neighbourhoods, by which a community is structured on the craft activity present in the area. Often used in the household, many craft goods such as historic Muman Pottery in Korea, originated from
Glossary of bird terms Glossary of bird terms The following is a glossary of common English language terms used in the description of birds—warm-blooded vertebrates of the class Aves, characterized by , the ability to in all but the approximately 60 extant species of flightless birds, toothless, , the laying of hard-shelled eggs, a high metabolic rate, a four-chambered heart and a strong yet lightweight skeleton. Among other details such as size, proportions and shape, terms defining bird features developed and are used to describe features unique to the class—especially evolutionary adaptations that developed to aid flight. There are, for example, numerous terms describing