Silicon is a member of Group 14 (IVA) in the periodic table and also part of the carbon family that includes elements: carbon, germanium, tin, and lead. Silicon is a metalloid, one of only a very few elements that have characteristics of both metals and non-metals. Silicon is the second most abundant element in the Earth's crust, exceeded only by oxygen. Silicon never occurs as a free element.
Tuesday, June 14, 2011
Uses And Health Effects Of Silicon And Silicones
ป้ายกำกับ: Asbestos, asbestos health effects, asbestos health side effectsOverview of Asbestos and Its Health Effects
Most people do not develop health issues when exposed to a small amount of asbestos, unfortunately, if you walk by or touch asbestos products or materials, it may release airborne asbestos fibers and the fibers can be inhaled into your lungs causing all types of health issues. Too much exposure of asbestos fibers will result in you getting all types of lung-related diseases such as lung cancer and mesothelioma.Common health effects that occur when exposed to asbestos is lung cancer, asbestosis, and mesothelioma.
Asbestos-Related Diseases - Their Causes and Effects
Between 1980 and 2000 exposure to asbestos was the cause of 237 deaths from a disease called asbestosis and 440 deaths from mesothelioma. The majority of the people who died from asbestos exposure were exposed to asbestos while at work. Although many of the companies that these people worked for had known for many decades that asbestos exposure could cause death of their employees the companies did nothing about it.