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Chillers or also known as refrigeration machines are widely used in many industries. Their main function is to remove heat in order to maintain comfortable temperature within the rooms. Nowadays, there are many types of chillers used for various purposes. Costs for installation of such system and its further operation are pretty high. It is … Читать далее

Experts of World Health Organization (WHO) have been conducting research for many years and finally have made depressing conclusions.  They state that faulty ventilation system within buildings increases the risk of transmission of viral diseases by 75%. Because majority of people spend up to 90% of their time indoors, the air in offices and homes … Читать далее