About heat supply in Russia - Certification.  Security.  Water treatment.  The documents.  Instructions.  Materials.  Occupational Safety and Health

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Types, device, principle of operation

Types, device, principle of operation

Heating boilers are most often made of steel. The water passing through them contains oxygen and carbon dioxide. Both of these elements have an extremely negative effect on the metal structures of the boiler. Permanent contact of steel with these ha

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