Mechanical Knowledge of machines and tools, including their designs, uses, repair, and maintenance. |
| 76 | |
|
| 65 |
| Replace the filters in a furnace | Replace a valve on a steam pipe | Overhaul an airplane jet engine |
  |   |  |
  |   |   |
|
|
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. |
| 62 | |
|
| 40 |
| Use a seatbelt | Inspect a building site for safety violations | Command a military operation |
  |   |  |
  |   |   |
|
|
Administration and Management Knowledge of business and management principles involved in strategic planning, resource allocation, human resources modeling, leadership technique, production methods, and coordination of people and resources. |
| 56 | |
|
| 36 |
| Sign a pay voucher | Monitor progress of a project to ensure timely completion | Manage a $10 million company |
  |   |  |
  |   |   |
|
|
Mathematics Knowledge of arithmetic, algebra, geometry, calculus, statistics, and their applications. |
| 53 | |
|
| 40 |
| Add two numbers | Analyze data to determine areas with the highest sales | Derive a complex mathematical equation |
  |   |  |
  |   |   |
|
|
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. |
| 46 | |
|
| 40 |
| 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 |
  |   |  |
  |   |   |
|
|
Production and Processing Knowledge of raw materials, production processes, quality control, costs, and other techniques for maximizing the effective manufacture and distribution of goods. |
| 42 | |
|
| 28 |
| Put a computer back into its packing materials | Supervise an appliance assembly line | Manage an international shipping company distribution center |
  |   |  |
  |   |   |
|
|
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. |
| 42 | |
|
| 31 |
| 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 |
  |   |  |
  |   |   |
|
|
Education and Training Knowledge of principles and methods for curriculum and training design, teaching and instruction for individuals and groups, and the measurement of training effects. |
| 41 | |
|
| 48 |
| Show someone how to bowl | Lead a quality improvement seminar | Design a training program for new employees |
  |   |  |
  |   |   |
|
|
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. |
| 41 | |
|
| 36 |
| Use a common household bug spray | Use the proper concentration of chlorine to purify a water source | Develop a safe commercial cleaner |
  |   |  |
  |   |   |
|
|
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. |
| 40 | |
|
| 37 |
| Install a door lock | Design a more stable grocery cart | Plan for the impact of weather in designing a bridge |
  |   |  |
  |   |   |
|
|