heat production: 26 phrases in 14 subjects |
Agriculture | 2 |
Automobiles | 1 |
Biology | 1 |
Ecology | 2 |
Electrical engineering | 2 |
Energy industry | 2 |
Energy system | 1 |
General | 2 |
Makarov | 2 |
Medical | 3 |
Solar power | 1 |
Technology | 3 |
Thermal engineering | 3 |
Transport | 1 |