Covers design, production, and use of machines and tools for generation and application of heat and mechanical power.

Covers the design, improvement, and installation of integrated systems of people, materials, and equipment.

Covers manipulation of voltages and electric currents by using devices.

Covers systems in which outputs are forced to change in a desired manner during time.

Covers the technologies for transmitting messages.

Covers design and construction of public works, including bridges, dams, and other large facilities.

Covers the technology of large-scale chemical production and the manufacture of products through chemical processes.

Covers the design and construction of buildings.

Covers the nature, effects, and detection of poisons and the treatment of poisoning.

Covers properties, interactions, processes, and laws of matter and energy.

Covers the chemistry of carbon compounds.

Covers characteristics and uses of the various materials.

Covers chemical reactions and properties of all elements in the periodic table and their compounds, except element carbon.

Covers production of materials of plant or animal origin, that are ingested and assimilated by an organism to produce energy, stimulate growth, and maintain life.

Covers the chemical substances and vital processes in living organisms.

Covers organization not seeking or producing profits.

Covers the commercial functions of buying and selling in a market.

Covers practices of handling, supervising and controlling business.

Covers management of money, banking, investments, credit, and other assets.

Covers the production, distribution, and consumption of goods and services.

Covers the management of a government or large institution.

Covers the bookkeeping methods of business transactions and statements concerning the assets, liabilities, and operating results of businesses.

Covers animals and animal life, including the study of the structure, physiology, development, and classification of animals.

Covers the functions of living organisms and their parts.

Covers microorganisms and their effects on other living organisms.

Covers the cultivation, maintenance, and development of forests.

Covers the genetic composition of populations during successive generations, natural selection, genetic variation among individuals, and development of new species.

Covers the external physical conditions affecting growth, development, and survival of organisms, and their management.

Covers the relationships between organisms and their environments.