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.
Natural Resources, Human Resources, and Capital Resources are the three types of economic resources, and they are also referred to as factors of production. Each resource plays a unique role in the production of goods, and each resource is clearly distinguishable from the other two.