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| тепловые сети (The most economical and quickest solution to the heating services in these apartments is to appropriately maintain and carry out remedial works to the existing technology. Alexander Demidov) | |||
| система отопления | |||
| heating services: 9 phrases in 3 subjects |
| Energy industry | 4 |
| Refrigeration | 1 |
| Technology | 4 |