tubage: 195 phrases in 12 subjects |
Construction | 7 |
General | 1 |
Geology | 4 |
Hydraulic engineering | 6 |
Medical | 3 |
Medical appliances | 1 |
Mining | 19 |
Natural resourses and wildlife conservation | 1 |
Oil / petroleum | 2 |
Oil and gas | 1 |
Oil and gas technology | 129 |
Technology | 21 |