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.
Examples of light industries include food processing and household electrical goods.], food processing, oil refining and energy production. Tertiary and quaternary industry. The tertiary sector is also called the service sector and involves the selling of services and skills. They can also involve selling goods and products from primary and secondary industries. Examples of tertiary employment include the health service, transportation, education, entertainment, tourism, finance, sales and retail.