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.
The movement of goods and services through the primary, secondary and tertiary sectors is referred to as the chain of production.. For example, trees are sourced to make paper, then the pulp is processed to create the paper and then the finished product is sold in stores.conomics 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.