heating apparatus: 18 phrases in 11 subjects |
Construction | 4 |
Food industry | 1 |
Leather | 1 |
Medical appliances | 1 |
Natural resourses and wildlife conservation | 1 |
Nautical | 1 |
Oil / petroleum | 3 |
Refrigeration | 1 |
Solar power | 1 |
Technology | 2 |
Wood processing | 2 |