| Gas
suppliers, energy suppliers, district heating |
|
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| Sewage treatment and clarification plants | ||||||||||
| Fresh water | ||||||||||
| Chemical Industry | ||||||||||
| Mining Industry | ||||||||||
| Landfills | ||||||||||
| > | Civil
Engineers, consulting companies |
> | ||||||||
| Blast
furnaces, steel industry |
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| Refrigeration plants | ||||||||||
| Mechanical
engineering, automotive industry, printing |
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| Greenhouses,
long-term fruit storage |
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| Breweries, wine cellars | ||||||||||
| Hospitals,
department stores |
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| Fire
brigade, police, army |
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| Laboratories,
universities, schools |
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