Mechanical
Knowledge of machines and tools, including their designs, uses, repair, and maintenance. |
| 63 | |
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| 63 |
| Replace the filters in a furnace | Replace a valve on a steam pipe | Overhaul an airplane jet engine |
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Public Safety and Security
Knowledge of relevant equipment, policies, procedures, and strategies to promote effective local, state, or national security operations for the protection of people, data, property, and institutions. |
| 58 | |
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| 46 |
| Use a seatbelt | Inspect a building site for safety violations | Command a military operation |
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Computers and Electronics
Knowledge of circuit boards, processors, chips, electronic equipment, and computer hardware and software, including applications and programming. |
| 55 | |
|
| 50 |
| Operate a VCR to watch a pre-recorded training tape | Use a word processor | Create a program to scan computer disks for viruses |
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English Language
Knowledge of the structure and content of the English language including the meaning and spelling of words, rules of composition, and grammar. |
| 52 | |
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| 45 |
| Write a thank you note | Edit a feature article in a local newspaper | Teach a college English class |
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Chemistry
Knowledge of the chemical composition, structure, and properties of substances and of the chemical processes and transformations that they undergo. This includes uses of chemicals and their interactions, danger signs, production techniques, and disposal methods. |
| 51 | |
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| 53 |
| Use a common household bug spray | Use the proper concentration of chlorine to purify a water source | Develop a safe commercial cleaner |
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Physics
Knowledge and prediction of physical principles, laws, their interrelationships, and applications to understanding fluid, material, and atmospheric dynamics, and mechanical, electrical, atomic and sub- atomic structures and processes. |
| 48 | |
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| 52 |
| Use a crowbar to pry open a box | Calculate water pressure through a pipe | Design a cleaner burning gasoline engine |
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Mathematics
Knowledge of arithmetic, algebra, geometry, calculus, statistics, and their applications. |
| 45 | |
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| 49 |
| Add two numbers | Analyze data to determine areas with the highest sales | Derive a complex mathematical equation |
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Engineering and Technology
Knowledge of the practical application of engineering science and technology. This includes applying principles, techniques, procedures, and equipment to the design and production of various goods and services. |
| 43 | |
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| 49 |
| Install a door lock | Design a more stable grocery cart | Plan for the impact of weather in designing a bridge |
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