Importance. Over 7,000 people in the nine year span on 1996 through 2005 have died due to dangerous gases. That's averaging nearly 780 deaths per year due to these gases.Largely, accidents in construction related to hazardous gases in fact is because of oxygen deficient air. Oxygen Deficiency.
Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author.While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server.