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Asbestos,[object Object],From greekAsbestinon,meaning “unquenchable” or “inextinguishable” is a set of six naturally occuring silicate minirals exploited commercially for their desirable physical properties.They all have in common their asbestiformhabit,long(1:20)thin fibrous crystals.The inhalation of Asbestos fibers can cause serious illnesses,including malignant lung cancer,mesothelioma(a formerly rare cancer strongly associated with exposure to amphibole asbestos),asbestoses.,[object Object]
What is asbestos?,[object Object],Asbestos is the name given to a group of minerals that occur naturally in the environment as bundles of fibers that can be separated into thin, durable threads. These fibers are resistant to heat, fire, and chemicals and do not conduct electricity. For these reasons, asbestos has been used widely in many industries.,[object Object],Chemically, asbestos minerals are silicate compounds, meaning they contain atoms of silicon and oxygen in their molecular structure.,[object Object],Asbestos minerals are divided into two major groups: Serpentine asbestos and amphibole asbestos. Serpentine asbestos includes the mineral chrysotile, which has long, curly fibers that can be woven. Chrysotile asbestos is the form that has been used most widely in commercial applications. Amphibole asbestos includes the minerals actinolite, tremolite, anthophyllite, crocidolite, and amosite. Amphibole asbestos has straight, needle-like fibers that are more brittle than those of serpentine asbestos and are more limited in their ability to be fabricated,[object Object]
How is asbestos used?,[object Object],Asbestos has been mined and used commercially in North America since the late 1800s. Its use increased greatly during World War II. Since then, asbestos has been used in many industries. For example, the building and construction industries have used it for strengthening cement and plastics as well as for insulation, roofing, fireproofing, and sound absorption. The shipbuilding industry has used asbestos to insulate boilers, steam pipes, and hot water pipes. The automotive industry uses asbestos in vehicle brake shoes and clutch pads. Asbestos has also been used in ceiling and floor tiles; paints, coatings, and adhesives; and plastics. In addition, asbestos has been found in vermiculite-containing garden products and some talc-containing crayons.,[object Object]
What are the health hazards of exposure to asbestos?,[object Object],People may be exposed to asbestos in their workplace, their communities, or their homes. If products containing asbestos are disturbed, tiny asbestos fibers are released into the air. When asbestos fibers are breathed in, they may get trapped in the lungs and remain there for a long time. Over time, these fibers can accumulate and cause scarring and inflammation, which can affect breathing and lead to serious health  problems Asbestos exposure may also increase the risk of asbestosis (an inflammatory condition affecting the lungs that can cause shortness of breath, coughing, and permanent lung damage) and other nonmalignant lung and pleural disorders, including pleural plaques (changes in the membranes surrounding the lung), pleural thickening, and benign pleural effusions (abnormal collections of fluid between the thin layers of tissue lining the lungs and the wall of the chest cavity). Although pleural plaques are not precursors to lung cancer, evidence suggests that people with pleural disease caused by exposure to asbestos may be at increased risk for lung cancer.,[object Object]
Launch of Philippine Ban Asbestos Network (PBAN),[object Object],The Philippine Ban Asbestos Network held its first educational seminar on asbestos on July 4, 2005. The meeting, which took place in Quezon City, was addressed by several key speakers and attendees from a group of environmental lawyers, TanggolKalikasan; the Trade Union Congress of the Philippines; a group of broadcasters promoting  environmental advocacies, - the Environmental Broadcast Circle; the United  Architects of the Philippines; the National Union of Building and  Construction Workers; the Subic Asbestosis Victims Association; government agencies namely: Department of Trade and  Industry- Bureau of Product Standards, Department of Health, and the Occupational Health and Safety Center; students from the University of the Philippines-Institute of Chemistry; and about a dozen print and broadcast reporters.Dr. Marlito Cardenas, from the Philippine Ban Asbestos Network (PBAN), talked about the group, its nature and composition, objectives. He discussed current legislations and guidelines on asbestos management, and the PBAN's critique on these guidelines. He called for a total ban on asbestos use.,[object Object]
Who is at risk for an asbestos-related disease?,[object Object],Everyone is exposed to asbestos at some time during their life. Low levels of asbestos are present in the air, water, and soil. However, most people do not become ill from their exposure. People who become ill from asbestos are usually those who are exposed to it on a regular basis, most often in a job where they work directly with the material or through substantial environmental contact.,[object Object]
Ban asbestos now! The International Metalworkers launched a campaign for a global ban on asbestos,[object Object],There is only one useful thing you can do with asbestos. Ban it.Unions are working towards a worldwide ban. This means switching from asbestos mining, processing and use, to alternative products. It means industrial regeneration to replace deadly jobs with safe and sustainable jobs.But we still face the deadly legacy. This is why IMF is backing its affiliated unions in campaigns for compensation and justice.,[object Object]
ONLINEACTIVITY,[object Object],   JOY P. JAMITO,[object Object],    BS-ENTREPRENEURSHIP II-B,[object Object],    Instructor:,[object Object],   Ms. Ma.KatrinaPobre,[object Object]
THANK YOU!!!,[object Object]

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