From the environmental point of view, an issue is any solid, liquid or gaseous substance introduced into the atmosphere that can cause air pollution. Given the wide variety of substances present in the atmosphere, have been proposed several methods of classification: Primary pollutants can be of gaseous or particulate.
By ETG Risorse e Tecnologia S.r.l. based in Montiglio, ITALY.
Duct (HVAC) cleaning is an important part of maintaining good air quality in any building, if ducts are not being cleaned properly, air polluted by dust and other fine particles that can be harmful, will be circulated throughout the system. The best way to ensure ducts are being cleaned completely is to visually inspect them, this can now be accomplished using HVAC inspection cameras. These CCTV cameras are composed of a digital inspection camera attached to a push rod to enable the camera to access all parts...
By Medit Inc. based in Winnipeg, MANITOBA (CANADA).
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