appareil d'enregistrement : 13 phrases in 9 subjects |
Automated equipment | 1 |
Computers | 2 |
Electronics | 2 |
Hydraulic engineering | 1 |
Information technology | 1 |
Medical appliances | 1 |
Natural resourses and wildlife conservation | 3 |
Oil and gas technology | 1 |
Technology | 1 |