Transportation
Knowledge of principles and methods for moving people or goods by air, rail, sea, or road, including the relative costs and benefits. |
| 67 | |
|
| 50 |
| Ride a train to work | Steer a large freighter through a busy harbor | Control air traffic at a busy airport |
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Mechanical
Knowledge of machines and tools, including their designs, uses, repair, and maintenance. |
| 58 | |
|
| 45 |
| 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. |
| 42 | |
|
| 33 |
| Use a seatbelt | Inspect a building site for safety violations | Command a military operation |
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