Sinkittyjen
Sinkittyjen is the genitive plural form of the Finnish adjective sinkitty, meaning tin-plated or tin-coated. It is used to describe objects that have tin coatings in noun phrases where the head noun is in the genitive plural. For example: sinkittyjen astioiden valmistus (the production of tin-plated dishes) and sinkittyjen levyjen hinta (the price of tin-plated sheets). In standard Finnish, adjectives agree with the noun they modify in number and case, so sinkittyjen appears in contexts requiring the genitive plural of the head noun. The term is common in discussions of historical metalware and industrial production, particularly when describing materials or items from the early to mid-20th century. See also sinkitty, the base adjective meaning tin-plated.