A volcanic-hazard demonstration exercise to assess and mitigate the impacts of volcanic ash clouds on civil and military aviation

Volcanic eruptions comprise an important airborne hazard for aviation.Although significant events are rare, e.g.compared to the threat of thunderstorms, they have a very high impact.The current state of tools and abilities to mitigate aviation hazards strength in pink fabric associated with an assumed volcanic cloud was tested within an internation

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Unfavorable results in replantation

Reattachment of amputated parts of the body (Replantation) has become a reality since the first arm replant was carried out six decades ago.Failures were not uncommon in the beginning, leading on to the analysis of the problem and refinements in technique.Improvements in sutures, instrumentation and better microscopes further helped the surgeons to

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