A serious health threat to humans is sewage backflows. In an indoor environment, water is considered to be the most long-term destructive substance. Since water supports the growth of microorganisms, it also weakens and dissolves a lot of various material
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Poor indoor air quality is a leading environmental and safety issue for property owners....
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A puff back is basically a premature explosion inside an oil furnace which results in the smoke, fumes, chemicals and oil being carried out through the heating ducts and pipes instead of the actual heat.
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Towards the later part of the 20th century, the builders and the think-tanks of the construction industry sought to find new materials and methods that would improve the quality of homes and buildings.
...and they found this through the use of asbestos.
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