class A
| operation
| class A | |
| radio | clase A |
| Operation | |
| el. | explotación |
| operation | |
| gen. | operacion |
| econ. | funcionamiento |
| econ. agric. | ejecución del trabajo |
| el. | maniobra |
| health. | operación |
| lab.law. | fase de trabajo; proceso de trabajo |
| math. | operación |
| mech.eng. | manejo de una máquina |
| |||
| clase A de una etapa amplificadora | |||
|
class A : 25 phrases in 14 subjects |
| Agriculture | 1 |
| Baseball | 1 |
| Communications | 2 |
| Electronics | 3 |
| Finances | 1 |
| Information technology | 1 |
| Life sciences | 1 |
| Materials science | 1 |
| Microsoft | 1 |
| Patents | 2 |
| Social science | 1 |
| Statistics | 1 |
| Transport | 2 |
| Work flow | 7 |