| 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 |
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| 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 |
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| > | Hospitals,
department stores |
> | ||||||||||
| Fire
brigade, police, army |
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| Laboratories,
universities, schools |
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