There is always potential for hazards during chemical reactions that can lead to accidents resulting in loss of time, equipment, products and harm to people. The hazards may result from uncontrolled e
Until the latter part of the 19th century, the majority of known drugs were either herbs or extracts of active ingredients from botanical sources. At this point, the world witnessed two major cornerst
Until the latter part of the 19th century, the majority of known drugs were either herbs or extracts of active ingredients from botanical sources. At this point, the world witnessed two major cornerst