Comparison of Baseline Characteristics, Sociodemographics, and Gynecological Risk Factors Associated with Secondary Infertility of Females in Pakistan

Introduction: Secondary infertility is characterized by the inability to conceive for a period of 1 year, after having previously conceived at least once.Objectives: To explore the risk factors of secondary infertility and compare sociodemographics and anthropometric variables of each studied group.Methods: Study was conducted at University Institu

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Assessment of explosion risk for wood dust in a ventilation-dust separation installation, by determining the concentration of total dust in suspension inside of the installation

Most of combustible dusts present both fire and explosion hazard.Explosion may occur at certain concentrations of dust mixed with air and in the presence of an ignition source.The threat posed by this real danger was confirmed by the events that took place in economic units Home such as: feed factories, wood products, textile industry, steel, etc.A

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