A nuclear stress test is similar to the exercise stress test or pharmacological (chemical) stress test, but a small amount of radioactive substance is used to determine the health of the heart and blood flow to the heart.
The following are the four basic types of economics resources: Land â natural resources such as iron ore, gold, diamonds, oil, etc. Labor â human resources such as wage-earning workers. Capital â plants and equipment used in the production of final goods, such as assembly lines, trucks, heavy duty machinery, factories, etc.
What are the four types of economic utility? The four types of economic utility are form, time, place and possession. Utility in this context refers to the value, or usefulness, that a purchaser receives in return for exchanging his money for a company's goods or services.