Fact checked by Marley Hall In medicine, there are four levels of care: primary, secondary, tertiary, and quaternary. The levels of care refer to the complexity of the medical cases that ...

Industry is any economic activity which creates jobs and generates income. All industry is made up of four sectors that are a linked together like a chain: primary, secondary, tertiary and ...

Save guides, add subjects and pick up where you left off with your BBC account. There are four main types of industry: primary, secondary, tertiary and quaternary. The type of industry a country ...

After reviewing the students’ list of jobs and categories, use the handout to have students view video clips exploring the three sectors of the economy (primary, secondary and tertiary).

In modern economic models that break industry into five sectors – primary, secondary, tertiary, quaternary and quinary – industry work and workplaces fall into the secondary sector, where raw ...

Medicare Secondary Payer: When Is Medicare Primary or Secondary? Medically reviewed by Debra Sullivan, Ph.D., MSN, R.N., CNE, COI — Written by S. Srakocic — Updated on July 30, 2024 Medicare ...