Asbestos Define


For many asbestosis, lung cancer, and mesothelioma victims, asbestos exposure has taken place over years or decades in the work-place. While asbestos manufacturers and companies knew of the dangers of their products around the time of Nellie Kershaw's death, they knowingly let workers handle asbestos during the entire 20th century without proper training or protective equipment.

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Example Sentences for asbestos Then cover the vents with asbestos or a wet cloth as already described. It is in operations such as this that the asbestos box will be found of great use. This liability to breakage is reduced, but not eliminated, by the asbestos annealing. A suitable bit of wood may be substituted for the asbestos on occasion. Cars are now being built of steel, and of combinations of metal with asbestos. Asbestos prepared in this way is called platinized asbestos. Could asbestos fibers be used to replace the wire in a safety lamp? Mineral Fibers: Asbestos, Tinsel, and other metallic fibers. Canadian asbestos is almost pure white, and has long fibers. The asbestos with which the chimney is lined should be about 1⁄8 in. EXPAND

Individuals involved in the rescue, recovery, and cleanup at the site of the September 11, 2001, attacks on the World Trade Center (WTC) in New York City are another group at risk of developing an asbestos-related disease. Because asbestos was used in the construction of the North Tower of the WTC, when the building was attacked, hundreds of tons of asbestos were released into the atmosphere. Those at greatest risk include firefighters, police officers, paramedics, construction workers, and volunteers who worked in the rubble at Ground Zero. Others at risk include residents in close proximity to the WTC towers and those who attended schools nearby. These individuals will need to be followed to determine the long-term health consequences of their exposure . However, it is important to note that any symptoms these individuals experience may be related to exposure to debris components other than asbestos.

Asbestos News: Define Asbestos

1. Any of six incombustible chemical-resistant silicate minerals, including one serpentine (chrysotile) and five amphiboles (amosite, crocidolite, and fibrous forms of actinolite, anthophyllite, and tremolite), that separate easily into long, thin, flexible fibers and that have been widely used commercially in products such as fireproofing, electrical insulation, building materials, brake linings, and chemical filters. Mining and use of asbestos has been restricted because inhalation of asbestos fibers can cause asbestosis and cancer.

Asbestos is a set of six naturally occurring silicate minerals formerly used commercially for their desirable physical properties. The inhalation of asbestos fibers can cause serious illnesses, including lung cancer, mesothelioma and asbestosis (a type of pneumoconiosis). The trade and use of asbestos have been restricted or banned in many jurisdictions, although the United States currently still imports asbestos minerals for use in commercial products.

Asbestos that is contained and left undisturbed is normally safe. However, when it becomes agitated, broken or otherwise destroyed, asbestos fibers can become airborne and pose a danger to yourself and others around you.

Individuals who have been exposed (or suspect they have been exposed) to asbestos fibers on the job, through the environment, or at home via a family contact should inform their doctor about their exposure history and whether or not they experience any symptoms. The symptoms of asbestos-related diseases may not become apparent for many decades after the exposure. It is particularly important to check with a doctor if any of the following symptoms develop: Shortness of breath, wheezing, or hoarseness A persistent cough that gets worse over time Blood in the sputum (fluid) coughed up from the lungs Pain or tightening in the chest Difficulty swallowing Swelling of the neck or face Loss of appetite Weight loss Fatigue or anemia A thorough physical examination, including a chest x-ray and lung function tests, may be recommended. The chest x-ray is currently the most common tool used to detect asbestos-related diseases. Although chest x-rays cannot detect asbestos fibers in the lungs, they can help identify any early signs of lung disease resulting from asbestos exposure . A lung biopsy, which detects microscopic asbestos fibers in pieces of lung tissue removed by surgery, is the most reliable test to confirm exposure to asbestos . A bronchoscopy is a less invasive test than a biopsy and detects asbestos fibers in material that is rinsed out of the lungs . It is important to note that these procedures cannot determine how much asbestos an individual may have been exposed to or whether disease will develop. Asbestos fibers can also be detected in urine, mucus, and feces, but these tests are not reliable for determining how much asbestos may be in an individual’s lungs .

Asbestos is not a single material, nor is it used on its own. The term refers to a group of fibrous silicate minerals with good sound and thermal insulation properties, good heat resistance, and high strength. There are several types of asbestos, with the three most significant being chrysotile, crocidolite, and amosite. Chrysotile, often known as white asbestos, is made up of long, thin, flexible fibers that form scroll-like structures. Crocidolite and amosite are known as blue and brown asbestos, respectively, and have a less defined physical structure.

No amount of asbestos exposure is safe, but asbestos generally has the worst effects when a person is exposed to an intense concentration of it, or they are exposed on a regular basis over a long period of time. More asbestos accumulates in the body with every exposure, and there is no known way to reverse the cellular damage it causes.

(Minerals) a. any of the fibrous amphibole and serpentine minerals, esp chrysotile and tremolite, that are incombustible and resistant to chemicals. It was formerly widely used in the form of fabric or board as a heat-resistant structural materialb. (as modifier): asbestos matting.

Top definitionasbestosunknownA mineral used for insulation that is fatal when its fibers are inhaled and is associated with asbestosis (scarring of the lungs), lung cancer, and methothelioma. Theres many types of asbestos. One type is called Chrysotile, or, most commonly referred to as "White Asbestos" that has a melting point of 1500°C. Because if its resistence to both high heat and chemicals it was widely used from the 1880's to the late 1970's in many industrial applications, as well as in many homes.Old buildings are full of asbestos. The best thing to do is encapsulate. If it is friable, in bad condition, call asbestos abatement crews to come treat it. Asbestos poses no threat if it is in good contition.by nimbys_suck July 26, 200310428 Get a asbestos mug for your sister Yasemin.