Common types of fat used include butter, vegetable shortenings, lard and margarine. Baking shortenings, unless reformulated, contain around 30% "trans" fats compared to their total fats. Such "high ratio shortenings" blend better with hydrophilic ingredients such as starches and sugar. Mutations consist of replacements, duplications, deletions or shortenings in the CFTR gene. As with the shortenings of the definite article, these are colloquial. At the same time, the first tectonic shortenings and uplifts affected the eastern Pyrenees. Many new municipal names were either shortenings of old names, or combinations of old names. Annelid worms such as leeches move by repeated alternating extensions and shortenings of the body.