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.
This is an example of the secondary (industrial) sector being dependent on the primary sector. The manufacturing sector depends on the primary sector for raw materials. (b) In turn, the primary sector depends on the secondary sector.d) The industrial sector thrives on the services from the tertiary sector and the existence of the service sector would be meaningless if it had no services to render to the other two sectors. Posted by orthoneity at 8:54 AM. Labels: primary, secondary, sectoral interrelationship, tertiary.