| |||
leveler (MichaelBurov); leveling system (MichaelBurov) | |||
regular system |
правильная система: 20 phrases in 10 subjects |
Agrochemistry | 1 |
Ecology | 1 |
Forestry | 1 |
Information technology | 1 |
Mass media | 5 |
Metallurgy | 2 |
Oil / petroleum | 2 |
Programming | 4 |
Roll stock | 2 |
Technology | 1 |