how was asbestos created, why is it dangerous?
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Asbestos fibers can be quite small. Their shape and weight is such as to remain permanently airborne in most, if not all environments outside of laboratory studies.
Where as inside a lab with perfectly still/non-moving air, it can take 8-hours for a single fiber to drop 8-feet. Hence the danger of breathing once becomes in friable condition and airborne.
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