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.
Macroeconomics. The tertiary industry is one of three industry types in a developed economy, the other two being the primary (raw materials) and secondary (goods production) industries.As an economy becomes more developed, it will shift its focus from primary to secondary and tertiary industries.EFINITION of 'Tertiary Industry'. The segment of the economy that provides services to its consumers. This includes a wide range of businesses including financial institutions, schools, transports and restaurants.