Mechanical
Knowledge of machines and tools, including their designs, uses, repair, and maintenance. |
| 62 | |
|
| 58 |
| Replace the filters in a furnace | Replace a valve on a steam pipe | Overhaul an airplane jet engine |
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Building and Construction
Knowledge of materials, methods, and the tools involved in the construction or repair of houses, buildings, or other structures such as highways and roads. |
| 57 | |
|
| 54 |
| Choose the proper type of wood for adding a deck onto a house | Fix a plumbing leak in the ceiling | Build a high-rise office tower |
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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. |
| 52 | |
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| 46 |
| Use a seatbelt | Inspect a building site for safety violations | Command a military operation |
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Production and Processing
Knowledge of raw materials, production processes, quality control, costs, and other techniques for maximizing the effective manufacture and distribution of goods. |
| 49 | |
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| 44 |
| Put a computer back into its packing materials | Supervise an appliance assembly line | Manage an international shipping company distribution center |
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Customer and Personal Service
Knowledge of principles and processes for providing customer and personal services. This includes customer needs assessment, meeting quality standards for services, and evaluation of customer satisfaction. |
| 43 | |
|
| 42 |
| Process customer dry-cleaning drop off | Work as a day care aide supervising 10 children | Respond to a citizen's request for assistance after a major disaster |
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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. |
| 42 | |
|
| 36 |
| Write a thank you note | Edit a feature article in a local newspaper | Teach a college English class |
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Transportation
Knowledge of principles and methods for moving people or goods by air, rail, sea, or road, including the relative costs and benefits. |
| 40 | |
|
| 45 |
| Ride a train to work | Steer a large freighter through a busy harbor | Control air traffic at a busy airport |
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