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| heat trace; heat tracing | |||
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| water main (Matrena) | |||
| heat pipeline; heating main (AD Alexander Demidov); heating pipe main (VLZ_58) | |||
| heat transport system | |||
| heating line (Халеев) | |||
| heating pipe main (Trash dumps and remote areas are the main locations where these homeless children live. They seek shelter by climbing into the heating pipe mains where it is warm in the winter while providing protection from the elements. VLZ_58) | |||
| теплотрассы: 9 phrases in 2 subjects |
| Construction | 7 |
| Energy industry | 2 |