| # | Concept | Culture | Statement | Freq. |
|---|---|---|---|---|
| 1 | experimental controls | United States | Crucial for scientific experiments to ensure accurate results and comparisons. | 1 |
| 2 | master control | United States | Master control refers to a centralized control panel for managing various electronic systems in a building or facility, such as HVAC, lighting, and security. | 1 |
| 3 | master control | United States | Master control typically refers to a centralized system for controlling multiple devices or processes, such as in broadcasting or industrial settings. | 1 |