The items that the producers use to make goods and services are: NATURAL RESOURCES, HUMAN RESOURCES AND CAPITAL GOODS.
Natural resources are minerals which occur naturally in nature and can be exploited for economic gains.
Human resources are personnel or professionals that are working in a particular organisation and which are regarded as significant assets in term of skills and abilities.
Capital goods refer to those goods that are used in producing other goods and services. Capital goods are tangible assets which a company possess, examples are machinery, buildings, equipment, vehicles, etc.