And that food might not smell bad as it might have arrived in the store only yesterday. In 40 years, in eight countries, if I think of major product recalls and food poisoning outbreaks, I can't think of [one] that was driven by a shelf-life issue, Ruff says. Canned food, in particular, can stay safe for a really long time.
Primary, secondary and tertiary sectors. There are three main types of industry in which firms operate. These sectors form a chain of production which provides customers with finished goods or services. Primary production: this involves acquiring raw materials.For example, metals and coal have to be mined, oil drilled from the ground, rubber tapped from trees, foodstuffs farmed and fish trawled.ertiary production: this refers to the commercial services that support the production and distribution process, eg insurance, transport, advertising, warehousing and other services such as teaching and health care. Your web browser does not have JavaScript switched on at the moment.
Economics is part of the social structure of a society and is concerned with how people produce and consume goods and services. What types of goods and services are produced and consumed in a society depend on geography and social customs. The three major economic sectors are: primary, secondary and tertiary. [for QUATERNARY ... see final paragraph, below]. The PRIMARY economic sector includes obtaining and refining raw materials such as wood, steel and coal. Primary economic sector workers include loggers, steelworkers and coalminers. All types of natural resources industries such as fishing, farming, forestry and mining are a part of the primary economic sector. The SECONDARY economic sector deals with the processing of raw materials into finished goods.