 |
| |||
| cathodic protection | |||
| ground protection | |||
| galvanic protection; sacrificial protection (от коррозии) | |||
| sacrificial protection | |||
| протекторная защита: 14 phrases in 8 subjects |
| Automobiles | 1 |
| Drilling | 1 |
| Electrochemistry | 3 |
| Makarov | 2 |
| Metallurgy | 2 |
| Natural resourses and wildlife conservation | 2 |
| Oil / petroleum | 2 |
| Oil and gas technology | 1 |