background: fire and explosion hazards are extremely important in processing units. this study was performed to identify the risk centers, the potential damage caused by fire and explosion, and the days of production cessation in the processing company. materials and methods: the present qualitative case study was conducted using dow’s index in 2015. the fire and explosion hazard index and leve...

Smallpox eradication is one of humankind’s greatest accomplishments, but like all great successes, it was the result of many individual efforts. For >3,500, years smallpox (variola major strain of the virus) had killed, scared, or blinded most inhabitants of the world. In the past century, it killed more than half a billion persons, and death was dreadful. In large cities, it was a childhood di...

introduction the fire services play a key role in safety issues for any country. the operations of the services have a high visibility since the public is aware of its own vulnerability and possibly vital reliance on the service. firemen and women are rightly admired, particularly as their intervention may carry a risk to their own lives. more generally, this service comes at a considerable cos...