A social science that studies how individuals, governments, firms ... An approach to economics that relates supply and demand to an ... The labor market refers to the supply and demand for labor, in ... A market where information is not quickly disclosed to all participants ... An economic theory that outlines how a steady economic growth ... A branch of microeconomics that explores how businesses and institutions ...
Tannis root, with its mystic/magic property and bad smell, is simply a clever plot device used by author Ira Levin to demonstrate the power of the devil worshipers.
Aluminum and zirconium salts are also used in tanning. Oil tanning is an ancient method that is used for such soft, porous leathers as chamois and deerskin, which can be repeatedly wetted and dried without detrimental effects. Fish oil is sprinkled onto the hides and pounded in with mechanical hammers.