Alum is a salt that in chemistry is a combination of an alkali metal, such as sodium, potassium, or ammonium and a trivalent metal, such as aluminum, iron, or chromium.
USDA allocates a share of the anticipated U.S. sugar market to sugar producers annually. This allotment basically determines the amount of sugar an individual company is allowed to sell that year. However, these allotments can be, and often are, adjusted based on harvest conditions.
Definition. An industry made up of companies that primarily earn revenue through providing intangible products and services. Service industry companies are involved in retail, transport, distribution, food services, as well as other service-dominated businesses.Also called service sector, tertiary sector of industry.See also primary industry, secondary industry.n industry made up of companies that primarily earn revenue through providing intangible products and services. Service industry companies are involved in retail, transport, distribution, food services, as well as other service-dominated businesses.