CONTEXT Noise of machines in various agro-based industries was found to be the major occupational hazard for the workers of industries. The predominant noise sources need to be identified and the causes of high noise need to be studied to undertake the appropriate measures to reduce the noise level in one of the major agro-based industries, oil mills. AIMS To identify the predominant noise so...

Computational fluid dynamics (CFD) is potentially a valuable tool for simulating the dispersion of air contaminants in workrooms. However, CFD-estimated airflow and contaminant concentration patterns have not always shown good agreement with experimental results. Thus, understanding the factors affecting the accuracy of such simulations is critical for their successful application in occupation...

BACKGROUND AND OBJECTIVES Solvents used in production facility-affiliated private laboratories have been seldomly reported. This study was initiated to specify solvent use characteristics in private laboratories in comparison with the use in public research laboratories and on production floors. Elucidation of the applicability of conclusions from a public laboratory survey to private instituti...

The purpose of this paper is to overview and summarize previously published results of our experiments on white rats exposed to either a single intratracheal instillation or repeated intraperitoneal injections of silver, gold, iron oxide, copper oxide, nickel oxide, and manganese oxide nanoparticles (NPs) in stable water suspensions without any chemical additives. Based on these results and som...

A 41 year old man who worked at a PVC factory and had suffered from daily cough and gradually increasing dyspnoea since July 1981 has been followed since February 1982. He had smoked one package of cigarettes daily for 20 years. The patient had worked in a PVC factory from 1974 but had an accumulated exposure to PVC dust of only about 750 days. Total dust concentrations during packing of PVC ra...

OBJECTIVES Exposure to trichloramine (NCl(3)) in indoor swimming-pool environments is known to cause mucous membrane irritation, but if it gives rise to changes in lung function or asthma in adults is not known. (1) We determined lung function in volunteers before and after exposure to indoor pool environments. (2) We studied the occurrence of respiratory symptoms and asthma in a cohort of pool...

This research aims to describe the purpose, implementation and effectiveness of online Pancasila leadership training for new students majoring in HKn midst Covid-19 pandemic. uses a qualitative approach with descriptive type. Data collection techniques using observation, interviews, documentation. The results showed that there were four main objectives, namely (a) introducing department be more...

spreading wood particles and attached colored materials in work places can cause many problems for woodwork industry workers. the aim of this study is to design and implement a local exhaust ventilation system to control wood dust and isocyanates simultaneously. the study was conducted on 18 workers in the paint workroom of a wood door industry. at first, an overview of the workplace indoor air...