class B
| valve
| operation
| class B | |
| transp. mil., grnd.forc. | classe B |
| valve | |
| chem. | soupage; conduit; tuyau; tube; tige |
| el. | électro-vanne |
| mater.sc. | tête de distribution |
| mech.eng. | valve de chambre à air |
| scub. | une soupape |
| water.res. | vanne d'irrigation |
| Operation | |
| IT | exploitation |
| operation | |
| econ. | activité |
| econ. agric. | exécution du travail; opération |
| el. | manoeuvre |
| lab.law. | phase de travail |
| mech.eng. | maniement d'une machine |
| tech. | fonctionnement; commande; travail |
| |||
| classe B | |||
|
class B : 26 phrases in 11 subjects |
| Aviation | 2 |
| Communications | 3 |
| Earth sciences | 1 |
| Electronics | 5 |
| Forestry | 1 |
| General | 1 |
| Life sciences | 1 |
| Materials science | 1 |
| Medical | 6 |
| Microsoft | 1 |
| Transport | 4 |