Mechanical
Knowledge of machines and tools, including their designs, uses, repair, and maintenance. |
| 65 | |
|
| 40 |
| 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. |
| 40 | |
|
| 17 |
| 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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