hardness-testing machine : 28 phrases in 12 subjects |
Automated equipment | 1 |
Automobiles | 2 |
Energy industry | 4 |
Makarov | 3 |
Mechanic engineering | 2 |
Nautical | 2 |
Pipelines | 6 |
Polymers | 1 |
Quality control and standards | 2 |
Road works | 1 |
Technology | 3 |
Transport | 1 |