coupling pin : 27 phrases in 13 subjects |
Automated equipment | 2 |
Drilling | 1 |
Firefighting and fire-control systems | 1 |
Mechanics | 1 |
Mining | 1 |
Oil / petroleum | 5 |
Oil and gas | 1 |
Oil and gas technology | 1 |
Oilfields | 2 |
Pumps | 1 |
Shipbuilding | 1 |
Technology | 9 |
Thermal engineering | 1 |