Large quantities and concentrations of waste are produced. Plants need a large number of nutrients in various quantities to flourish. Blood present in large quantities can be detected visually. There are two processes for liquefying natural gas in large quantities. The sum of products between these quantities equals one. The leaves are also edible except in large quantities. Calcium is an essential element needed in large quantities. Specifying the value of any one of these quantities determines the others. Derived quantities are those whose definitions are based on other physical quantities (base quantities). Measurements demand the use of "operational definitions" of relevant quantities. There are various devices whose resistance changes with various quantities. GGT is elevated by ingestion of large quantities of alcohol. Many statistical analyses involve the estimation of several unknown quantities. These are statistical models that output a sequence of symbols or quantities. The shoes were produced in low quantities.