The gold-mining areas of Bolívar State in Venezuela are characterized by social, economic, and cultural factors that may facilitate transmission of HIV and other sexually transmitted diseases (HIV/STDs). For instance, gold-mining sites tend to have high concentrations of men between the ages of 20 and 45. They serve as a magnet for female commercial sex workers (FCSWs), especially if education ...

industrial-scale r&d it projects depend on many sub-technologies which need to be understood and have their risks analysed before the project can begin for their success. when planning such an industrial-scale project, the list of technologies and the associations of these technologies with each other is often complex and form a network. discovery of this network of technologies is time con...