ABSTRACT Dust concentration in the ambient of foundry industry which exceeds the threshold limit value (TLV) is potential to cause respiratory problems for workers, including the accumulation of dust in the lungs which lead to pneumoconiosis. The objective of this study was to determine the relationship between various factors, i.e. dust concentration in workplace, workers age and years of s…
Indonesia is a tropical country where parasites can grow well and causing in-fection among people due to poor environmental sanitation, lack of individual hygiene and low social economic condition. Diseases caused by Ascaris lumbricoides and Trichuris trichiura are public health problems in Indonesia, of which 60 – 80% of their prevalence occurs among school children. According to the re…